Home / 104,166.24-156,189.18-91,711.26

Finding the Fourth Proportional to 104,166.24, 156,189.18 and 91,711.26

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Solution

The fourth proportional to 104,166.24, 156,189.18 and 91,711.26 is: 137,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,166.24 : 156,189.18 = 91,711.26 : x
  2. Step 2: Convert to fraction form
    104,166.24/156,189.18 = 91,711.26/x
  3. Step 3: Cross multiply
    104,166.24x = 156,189.18 × 91,711.26
  4. Step 4: Simplify right side
    104,166.24x = 14,324,306,496.17
  5. Step 5: Solve for x
    x = 14,324,306,496.17/104,166.24
  6. Step 6: Final answer
    x = 137,513.91

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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.