Home / 185,765.08-256,197.90-125,326.12

Finding the Fourth Proportional to 185,765.08, 256,197.90 and 125,326.12

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Solution

The fourth proportional to 185,765.08, 256,197.90 and 125,326.12 is: 172,843.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,765.08 : 256,197.90 = 125,326.12 : x
  2. Step 2: Convert to fraction form
    185,765.08/256,197.90 = 125,326.12/x
  3. Step 3: Cross multiply
    185,765.08x = 256,197.90 × 125,326.12
  4. Step 4: Simplify right side
    185,765.08x = 32,108,288,759.15
  5. Step 5: Solve for x
    x = 32,108,288,759.15/185,765.08
  6. Step 6: Final answer
    x = 172,843.51

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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.