Home / 418,169.85-577,086.27-227,194.92

Finding the Fourth Proportional to 418,169.85, 577,086.27 and 227,194.92

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Solution

The fourth proportional to 418,169.85, 577,086.27 and 227,194.92 is: 313,535.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,169.85 : 577,086.27 = 227,194.92 : x
  2. Step 2: Convert to fraction form
    418,169.85/577,086.27 = 227,194.92/x
  3. Step 3: Cross multiply
    418,169.85x = 577,086.27 × 227,194.92
  4. Step 4: Simplify right side
    418,169.85x = 131,111,068,945.75
  5. Step 5: Solve for x
    x = 131,111,068,945.75/418,169.85
  6. Step 6: Final answer
    x = 313,535.44

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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.