Home / 185,847.03-256,326.21-125,321.82

Finding the Fourth Proportional to 185,847.03, 256,326.21 and 125,321.82

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Solution

The fourth proportional to 185,847.03, 256,326.21 and 125,321.82 is: 172,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,847.03 : 256,326.21 = 125,321.82 : x
  2. Step 2: Convert to fraction form
    185,847.03/256,326.21 = 125,321.82/x
  3. Step 3: Cross multiply
    185,847.03x = 256,326.21 × 125,321.82
  4. Step 4: Simplify right side
    185,847.03x = 32,123,267,150.90
  5. Step 5: Solve for x
    x = 32,123,267,150.90/185,847.03
  6. Step 6: Final answer
    x = 172,847.89

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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.