Home / 175,961.28-242,839.44-100,508.16

Finding the Fourth Proportional to 175,961.28, 242,839.44 and 100,508.16

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Solution

The fourth proportional to 175,961.28, 242,839.44 and 100,508.16 is: 138,708.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,961.28 : 242,839.44 = 100,508.16 : x
  2. Step 2: Convert to fraction form
    175,961.28/242,839.44 = 100,508.16/x
  3. Step 3: Cross multiply
    175,961.28x = 242,839.44 × 100,508.16
  4. Step 4: Simplify right side
    175,961.28x = 24,407,345,289.83
  5. Step 5: Solve for x
    x = 24,407,345,289.83/175,961.28
  6. Step 6: Final answer
    x = 138,708.61

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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.