Home / 221,516.56-332,158.08-96,711.76

Finding the Fourth Proportional to 221,516.56, 332,158.08 and 96,711.76

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Solution

The fourth proportional to 221,516.56, 332,158.08 and 96,711.76 is: 145,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,516.56 : 332,158.08 = 96,711.76 : x
  2. Step 2: Convert to fraction form
    221,516.56/332,158.08 = 96,711.76/x
  3. Step 3: Cross multiply
    221,516.56x = 332,158.08 × 96,711.76
  4. Step 4: Simplify right side
    221,516.56x = 32,123,592,515.02
  5. Step 5: Solve for x
    x = 32,123,592,515.02/221,516.56
  6. Step 6: Final answer
    x = 145,016.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.