Home / 161,565.40-242,357.15-49,249.28

Finding the Fourth Proportional to 161,565.40, 242,357.15 and 49,249.28

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Solution

The fourth proportional to 161,565.40, 242,357.15 and 49,249.28 is: 73,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,565.40 : 242,357.15 = 49,249.28 : x
  2. Step 2: Convert to fraction form
    161,565.40/242,357.15 = 49,249.28/x
  3. Step 3: Cross multiply
    161,565.40x = 242,357.15 × 49,249.28
  4. Step 4: Simplify right side
    161,565.40x = 11,935,915,140.35
  5. Step 5: Solve for x
    x = 11,935,915,140.35/161,565.40
  6. Step 6: Final answer
    x = 73,876.68

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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.