Home / 319,220.55-440,544.20-175,980.33

Finding the Fourth Proportional to 319,220.55, 440,544.20 and 175,980.33

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Solution

The fourth proportional to 319,220.55, 440,544.20 and 175,980.33 is: 242,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,220.55 : 440,544.20 = 175,980.33 : x
  2. Step 2: Convert to fraction form
    319,220.55/440,544.20 = 175,980.33/x
  3. Step 3: Cross multiply
    319,220.55x = 440,544.20 × 175,980.33
  4. Step 4: Simplify right side
    319,220.55x = 77,527,112,815.68
  5. Step 5: Solve for x
    x = 77,527,112,815.68/319,220.55
  6. Step 6: Final answer
    x = 242,863.79

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Half scale
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Double scale
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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.