Home / 437,622.60-656,433.90-157,168.20

Finding the Fourth Proportional to 437,622.60, 656,433.90 and 157,168.20

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Solution

The fourth proportional to 437,622.60, 656,433.90 and 157,168.20 is: 235,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,622.60 : 656,433.90 = 157,168.20 : x
  2. Step 2: Convert to fraction form
    437,622.60/656,433.90 = 157,168.20/x
  3. Step 3: Cross multiply
    437,622.60x = 656,433.90 × 157,168.20
  4. Step 4: Simplify right side
    437,622.60x = 103,170,534,481.98
  5. Step 5: Solve for x
    x = 103,170,534,481.98/437,622.60
  6. Step 6: Final answer
    x = 235,752.30

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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.