Home / 256,961.64-354,582.12-149,545.92

Finding the Fourth Proportional to 256,961.64, 354,582.12 and 149,545.92

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Solution

The fourth proportional to 256,961.64, 354,582.12 and 149,545.92 is: 206,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,961.64 : 354,582.12 = 149,545.92 : x
  2. Step 2: Convert to fraction form
    256,961.64/354,582.12 = 149,545.92/x
  3. Step 3: Cross multiply
    256,961.64x = 354,582.12 × 149,545.92
  4. Step 4: Simplify right side
    256,961.64x = 53,026,309,350.95
  5. Step 5: Solve for x
    x = 53,026,309,350.95/256,961.64
  6. Step 6: Final answer
    x = 206,358.85

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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.