Home / 185,001.16-255,301.78-100,118.52

Finding the Fourth Proportional to 185,001.16, 255,301.78 and 100,118.52

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Solution

The fourth proportional to 185,001.16, 255,301.78 and 100,118.52 is: 138,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,001.16 : 255,301.78 = 100,118.52 : x
  2. Step 2: Convert to fraction form
    185,001.16/255,301.78 = 100,118.52/x
  3. Step 3: Cross multiply
    185,001.16x = 255,301.78 × 100,118.52
  4. Step 4: Simplify right side
    185,001.16x = 25,560,436,366.97
  5. Step 5: Solve for x
    x = 25,560,436,366.97/185,001.16
  6. Step 6: Final answer
    x = 138,163.65

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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.