Home / 175,660.20-242,443.88-100,208.68

Finding the Fourth Proportional to 175,660.20, 242,443.88 and 100,208.68

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Solution

The fourth proportional to 175,660.20, 242,443.88 and 100,208.68 is: 138,306.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,660.20 : 242,443.88 = 100,208.68 : x
  2. Step 2: Convert to fraction form
    175,660.20/242,443.88 = 100,208.68/x
  3. Step 3: Cross multiply
    175,660.20x = 242,443.88 × 100,208.68
  4. Step 4: Simplify right side
    175,660.20x = 24,294,981,188.88
  5. Step 5: Solve for x
    x = 24,294,981,188.88/175,660.20
  6. Step 6: Final answer
    x = 138,306.69

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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.