Home / 113,170.82-156,187.60-62,869.82

Finding the Fourth Proportional to 113,170.82, 156,187.60 and 62,869.82

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Solution

The fourth proportional to 113,170.82, 156,187.60 and 62,869.82 is: 86,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,170.82 : 156,187.60 = 62,869.82 : x
  2. Step 2: Convert to fraction form
    113,170.82/156,187.60 = 62,869.82/x
  3. Step 3: Cross multiply
    113,170.82x = 156,187.60 × 62,869.82
  4. Step 4: Simplify right side
    113,170.82x = 9,819,486,298.23
  5. Step 5: Solve for x
    x = 9,819,486,298.23/113,170.82
  6. Step 6: Final answer
    x = 86,766.94

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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.