Home / 125,195.73-172,767.53-89,446.48

Finding the Fourth Proportional to 125,195.73, 172,767.53 and 89,446.48

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Solution

The fourth proportional to 125,195.73, 172,767.53 and 89,446.48 is: 123,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,195.73 : 172,767.53 = 89,446.48 : x
  2. Step 2: Convert to fraction form
    125,195.73/172,767.53 = 89,446.48/x
  3. Step 3: Cross multiply
    125,195.73x = 172,767.53 × 89,446.48
  4. Step 4: Simplify right side
    125,195.73x = 15,453,447,208.49
  5. Step 5: Solve for x
    x = 15,453,447,208.49/125,195.73
  6. Step 6: Final answer
    x = 123,434.30

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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.