Home / 185,207.27-255,586.01-100,324.31

Finding the Fourth Proportional to 185,207.27, 255,586.01 and 100,324.31

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Solution

The fourth proportional to 185,207.27, 255,586.01 and 100,324.31 is: 138,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,207.27 : 255,586.01 = 100,324.31 : x
  2. Step 2: Convert to fraction form
    185,207.27/255,586.01 = 100,324.31/x
  3. Step 3: Cross multiply
    185,207.27x = 255,586.01 × 100,324.31
  4. Step 4: Simplify right side
    185,207.27x = 25,641,488,319.35
  5. Step 5: Solve for x
    x = 25,641,488,319.35/185,207.27
  6. Step 6: Final answer
    x = 138,447.53

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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.