Home / 113,257.70-156,297.40-62,272.64

Finding the Fourth Proportional to 113,257.70, 156,297.40 and 62,272.64

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Solution

The fourth proportional to 113,257.70, 156,297.40 and 62,272.64 is: 85,937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,257.70 : 156,297.40 = 62,272.64 : x
  2. Step 2: Convert to fraction form
    113,257.70/156,297.40 = 62,272.64/x
  3. Step 3: Cross multiply
    113,257.70x = 156,297.40 × 62,272.64
  4. Step 4: Simplify right side
    113,257.70x = 9,733,050,785.97
  5. Step 5: Solve for x
    x = 9,733,050,785.97/113,257.70
  6. Step 6: Final answer
    x = 85,937.21

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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.