Home / 112,227.17-154,733.40-71,874.59

Finding the Fourth Proportional to 112,227.17, 154,733.40 and 71,874.59

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Solution

The fourth proportional to 112,227.17, 154,733.40 and 71,874.59 is: 99,097.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,227.17 : 154,733.40 = 71,874.59 : x
  2. Step 2: Convert to fraction form
    112,227.17/154,733.40 = 71,874.59/x
  3. Step 3: Cross multiply
    112,227.17x = 154,733.40 × 71,874.59
  4. Step 4: Simplify right side
    112,227.17x = 11,121,398,910.64
  5. Step 5: Solve for x
    x = 11,121,398,910.64/112,227.17
  6. Step 6: Final answer
    x = 99,097.21

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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.