Home / 437,931.72-656,605.89-157,412.52

Finding the Fourth Proportional to 437,931.72, 656,605.89 and 157,412.52

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Solution

The fourth proportional to 437,931.72, 656,605.89 and 157,412.52 is: 236,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,931.72 : 656,605.89 = 157,412.52 : x
  2. Step 2: Convert to fraction form
    437,931.72/656,605.89 = 157,412.52/x
  3. Step 3: Cross multiply
    437,931.72x = 656,605.89 × 157,412.52
  4. Step 4: Simplify right side
    437,931.72x = 103,357,987,791.74
  5. Step 5: Solve for x
    x = 103,357,987,791.74/437,931.72
  6. Step 6: Final answer
    x = 236,013.93

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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.