Home / 185,399.38-255,851.70-100,516.48

Finding the Fourth Proportional to 185,399.38, 255,851.70 and 100,516.48

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Solution

The fourth proportional to 185,399.38, 255,851.70 and 100,516.48 is: 138,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,399.38 : 255,851.70 = 100,516.48 : x
  2. Step 2: Convert to fraction form
    185,399.38/255,851.70 = 100,516.48/x
  3. Step 3: Cross multiply
    185,399.38x = 255,851.70 × 100,516.48
  4. Step 4: Simplify right side
    185,399.38x = 25,717,312,286.02
  5. Step 5: Solve for x
    x = 25,717,312,286.02/185,399.38
  6. Step 6: Final answer
    x = 138,713.04

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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.