Home / 160,872.24-221,981.40-107,191.92

Finding the Fourth Proportional to 160,872.24, 221,981.40 and 107,191.92

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Solution

The fourth proportional to 160,872.24, 221,981.40 and 107,191.92 is: 147,910.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,872.24 : 221,981.40 = 107,191.92 : x
  2. Step 2: Convert to fraction form
    160,872.24/221,981.40 = 107,191.92/x
  3. Step 3: Cross multiply
    160,872.24x = 221,981.40 × 107,191.92
  4. Step 4: Simplify right side
    160,872.24x = 23,794,612,470.29
  5. Step 5: Solve for x
    x = 23,794,612,470.29/160,872.24
  6. Step 6: Final answer
    x = 147,910.00

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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.