Home / 113,134.46-156,126.87-62,148.42

Finding the Fourth Proportional to 113,134.46, 156,126.87 and 62,148.42

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Solution

The fourth proportional to 113,134.46, 156,126.87 and 62,148.42 is: 85,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,134.46 : 156,126.87 = 62,148.42 : x
  2. Step 2: Convert to fraction form
    113,134.46/156,126.87 = 62,148.42/x
  3. Step 3: Cross multiply
    113,134.46x = 156,126.87 × 62,148.42
  4. Step 4: Simplify right side
    113,134.46x = 9,703,038,290.05
  5. Step 5: Solve for x
    x = 9,703,038,290.05/113,134.46
  6. Step 6: Final answer
    x = 85,765.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.