Home / 160,572.12-221,589.48-88,956.78

Finding the Fourth Proportional to 160,572.12, 221,589.48 and 88,956.78

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Solution

The fourth proportional to 160,572.12, 221,589.48 and 88,956.78 is: 122,760.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,572.12 : 221,589.48 = 88,956.78 : x
  2. Step 2: Convert to fraction form
    160,572.12/221,589.48 = 88,956.78/x
  3. Step 3: Cross multiply
    160,572.12x = 221,589.48 × 88,956.78
  4. Step 4: Simplify right side
    160,572.12x = 19,711,886,622.67
  5. Step 5: Solve for x
    x = 19,711,886,622.67/160,572.12
  6. Step 6: Final answer
    x = 122,760.33

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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.