Home / 113,149.41-156,146.25-62,165.43

Finding the Fourth Proportional to 113,149.41, 156,146.25 and 62,165.43

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Solution

The fourth proportional to 113,149.41, 156,146.25 and 62,165.43 is: 85,788.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,149.41 : 156,146.25 = 62,165.43 : x
  2. Step 2: Convert to fraction form
    113,149.41/156,146.25 = 62,165.43/x
  3. Step 3: Cross multiply
    113,149.41x = 156,146.25 × 62,165.43
  4. Step 4: Simplify right side
    113,149.41x = 9,706,898,774.14
  5. Step 5: Solve for x
    x = 9,706,898,774.14/113,149.41
  6. Step 6: Final answer
    x = 85,788.33

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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.