Home / 125,191.44-172,747.28-71,473.04

Finding the Fourth Proportional to 125,191.44, 172,747.28 and 71,473.04

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Solution

The fourth proportional to 125,191.44, 172,747.28 and 71,473.04 is: 98,623.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,191.44 : 172,747.28 = 71,473.04 : x
  2. Step 2: Convert to fraction form
    125,191.44/172,747.28 = 71,473.04/x
  3. Step 3: Cross multiply
    125,191.44x = 172,747.28 × 71,473.04
  4. Step 4: Simplify right side
    125,191.44x = 12,346,773,253.33
  5. Step 5: Solve for x
    x = 12,346,773,253.33/125,191.44
  6. Step 6: Final answer
    x = 98,623.14

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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.