Home / 185,162.52-255,524.04-100,279.92

Finding the Fourth Proportional to 185,162.52, 255,524.04 and 100,279.92

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Solution

The fourth proportional to 185,162.52, 255,524.04 and 100,279.92 is: 138,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,162.52 : 255,524.04 = 100,279.92 : x
  2. Step 2: Convert to fraction form
    185,162.52/255,524.04 = 100,279.92/x
  3. Step 3: Cross multiply
    185,162.52x = 255,524.04 × 100,279.92
  4. Step 4: Simplify right side
    185,162.52x = 25,623,930,289.28
  5. Step 5: Solve for x
    x = 25,623,930,289.28/185,162.52
  6. Step 6: Final answer
    x = 138,386.16

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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.