Home / 113,840.28-170,744.38-71,591.58

Finding the Fourth Proportional to 113,840.28, 170,744.38 and 71,591.58

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Solution

The fourth proportional to 113,840.28, 170,744.38 and 71,591.58 is: 107,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,840.28 : 170,744.38 = 71,591.58 : x
  2. Step 2: Convert to fraction form
    113,840.28/170,744.38 = 71,591.58/x
  3. Step 3: Cross multiply
    113,840.28x = 170,744.38 × 71,591.58
  4. Step 4: Simplify right side
    113,840.28x = 12,223,859,761.34
  5. Step 5: Solve for x
    x = 12,223,859,761.34/113,840.28
  6. Step 6: Final answer
    x = 107,377.28

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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.