Home / 437,566.40-656,495.20-157,105.60

Finding the Fourth Proportional to 437,566.40, 656,495.20 and 157,105.60

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Solution

The fourth proportional to 437,566.40, 656,495.20 and 157,105.60 is: 235,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,566.40 : 656,495.20 = 157,105.60 : x
  2. Step 2: Convert to fraction form
    437,566.40/656,495.20 = 157,105.60/x
  3. Step 3: Cross multiply
    437,566.40x = 656,495.20 × 157,105.60
  4. Step 4: Simplify right side
    437,566.40x = 103,139,072,293.12
  5. Step 5: Solve for x
    x = 103,139,072,293.12/437,566.40
  6. Step 6: Final answer
    x = 235,710.68

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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.