Home / 372,053.12-558,067.24-161,691.08

Finding the Fourth Proportional to 372,053.12, 558,067.24 and 161,691.08

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Solution

The fourth proportional to 372,053.12, 558,067.24 and 161,691.08 is: 242,531.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,053.12 : 558,067.24 = 161,691.08 : x
  2. Step 2: Convert to fraction form
    372,053.12/558,067.24 = 161,691.08/x
  3. Step 3: Cross multiply
    372,053.12x = 558,067.24 × 161,691.08
  4. Step 4: Simplify right side
    372,053.12x = 90,234,494,748.22
  5. Step 5: Solve for x
    x = 90,234,494,748.22/372,053.12
  6. Step 6: Final answer
    x = 242,531.21

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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.