Home / 437,568.40-656,498.20-157,107.60

Finding the Fourth Proportional to 437,568.40, 656,498.20 and 157,107.60

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Solution

The fourth proportional to 437,568.40, 656,498.20 and 157,107.60 is: 235,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,568.40 : 656,498.20 = 157,107.60 : x
  2. Step 2: Convert to fraction form
    437,568.40/656,498.20 = 157,107.60/x
  3. Step 3: Cross multiply
    437,568.40x = 656,498.20 × 157,107.60
  4. Step 4: Simplify right side
    437,568.40x = 103,140,856,606.32
  5. Step 5: Solve for x
    x = 103,140,856,606.32/437,568.40
  6. Step 6: Final answer
    x = 235,713.68

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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.