Home / 361,117.04-498,334.88-199,971.59

Finding the Fourth Proportional to 361,117.04, 498,334.88 and 199,971.59

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Solution

The fourth proportional to 361,117.04, 498,334.88 and 199,971.59 is: 275,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,117.04 : 498,334.88 = 199,971.59 : x
  2. Step 2: Convert to fraction form
    361,117.04/498,334.88 = 199,971.59/x
  3. Step 3: Cross multiply
    361,117.04x = 498,334.88 × 199,971.59
  4. Step 4: Simplify right side
    361,117.04x = 99,652,816,314.31
  5. Step 5: Solve for x
    x = 99,652,816,314.31/361,117.04
  6. Step 6: Final answer
    x = 275,957.12

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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.