Home / 185,117.28-255,462.03-100,234.14

Finding the Fourth Proportional to 185,117.28, 255,462.03 and 100,234.14

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Solution

The fourth proportional to 185,117.28, 255,462.03 and 100,234.14 is: 138,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,117.28 : 255,462.03 = 100,234.14 : x
  2. Step 2: Convert to fraction form
    185,117.28/255,462.03 = 100,234.14/x
  3. Step 3: Cross multiply
    185,117.28x = 255,462.03 × 100,234.14
  4. Step 4: Simplify right side
    185,117.28x = 25,606,016,879.70
  5. Step 5: Solve for x
    x = 25,606,016,879.70/185,117.28
  6. Step 6: Final answer
    x = 138,323.21

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1.5x scale

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.