Home / 351,218.76-484,352.88-233,136.81

Finding the Fourth Proportional to 351,218.76, 484,352.88 and 233,136.81

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Solution

The fourth proportional to 351,218.76, 484,352.88 and 233,136.81 is: 321,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,218.76 : 484,352.88 = 233,136.81 : x
  2. Step 2: Convert to fraction form
    351,218.76/484,352.88 = 233,136.81/x
  3. Step 3: Cross multiply
    351,218.76x = 484,352.88 × 233,136.81
  4. Step 4: Simplify right side
    351,218.76x = 112,920,485,357.51
  5. Step 5: Solve for x
    x = 112,920,485,357.51/351,218.76
  6. Step 6: Final answer
    x = 321,510.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.