Home / 437,629.64-656,555.15-122,086.31

Finding the Fourth Proportional to 437,629.64, 656,555.15 and 122,086.31

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Solution

The fourth proportional to 437,629.64, 656,555.15 and 122,086.31 is: 183,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,629.64 : 656,555.15 = 122,086.31 : x
  2. Step 2: Convert to fraction form
    437,629.64/656,555.15 = 122,086.31/x
  3. Step 3: Cross multiply
    437,629.64x = 656,555.15 × 122,086.31
  4. Step 4: Simplify right side
    437,629.64x = 80,156,392,597.44
  5. Step 5: Solve for x
    x = 80,156,392,597.44/437,629.64
  6. Step 6: Final answer
    x = 183,160.34

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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.