Home / 437,931.22-656,605.14-157,412.02

Finding the Fourth Proportional to 437,931.22, 656,605.14 and 157,412.02

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Solution

The fourth proportional to 437,931.22, 656,605.14 and 157,412.02 is: 236,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,931.22 : 656,605.14 = 157,412.02 : x
  2. Step 2: Convert to fraction form
    437,931.22/656,605.14 = 157,412.02/x
  3. Step 3: Cross multiply
    437,931.22x = 656,605.14 × 157,412.02
  4. Step 4: Simplify right side
    437,931.22x = 103,357,541,429.78
  5. Step 5: Solve for x
    x = 103,357,541,429.78/437,931.22
  6. Step 6: Final answer
    x = 236,013.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.