Home / 185,532.28-256,034.42-100,649.36

Finding the Fourth Proportional to 185,532.28, 256,034.42 and 100,649.36

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Solution

The fourth proportional to 185,532.28, 256,034.42 and 100,649.36 is: 138,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,532.28 : 256,034.42 = 100,649.36 : x
  2. Step 2: Convert to fraction form
    185,532.28/256,034.42 = 100,649.36/x
  3. Step 3: Cross multiply
    185,532.28x = 256,034.42 × 100,649.36
  4. Step 4: Simplify right side
    185,532.28x = 25,769,700,510.97
  5. Step 5: Solve for x
    x = 25,769,700,510.97/185,532.28
  6. Step 6: Final answer
    x = 138,896.05

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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.