Home / 175,863.72-242,686.66-100,397.48

Finding the Fourth Proportional to 175,863.72, 242,686.66 and 100,397.48

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Solution

The fourth proportional to 175,863.72, 242,686.66 and 100,397.48 is: 138,545.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,863.72 : 242,686.66 = 100,397.48 : x
  2. Step 2: Convert to fraction form
    175,863.72/242,686.66 = 100,397.48/x
  3. Step 3: Cross multiply
    175,863.72x = 242,686.66 × 100,397.48
  4. Step 4: Simplify right side
    175,863.72x = 24,365,129,093.62
  5. Step 5: Solve for x
    x = 24,365,129,093.62/175,863.72
  6. Step 6: Final answer
    x = 138,545.51

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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.