Home / 185,849.68-256,475.66-100,966.80

Finding the Fourth Proportional to 185,849.68, 256,475.66 and 100,966.80

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Solution

The fourth proportional to 185,849.68, 256,475.66 and 100,966.80 is: 139,335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,849.68 : 256,475.66 = 100,966.80 : x
  2. Step 2: Convert to fraction form
    185,849.68/256,475.66 = 100,966.80/x
  3. Step 3: Cross multiply
    185,849.68x = 256,475.66 × 100,966.80
  4. Step 4: Simplify right side
    185,849.68x = 25,895,526,668.09
  5. Step 5: Solve for x
    x = 25,895,526,668.09/185,849.68
  6. Step 6: Final answer
    x = 139,335.87

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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.