Home / 547,082.08-821,008.56-192,123.76

Finding the Fourth Proportional to 547,082.08, 821,008.56 and 192,123.76

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Solution

The fourth proportional to 547,082.08, 821,008.56 and 192,123.76 is: 288,321.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,082.08 : 821,008.56 = 192,123.76 : x
  2. Step 2: Convert to fraction form
    547,082.08/821,008.56 = 192,123.76/x
  3. Step 3: Cross multiply
    547,082.08x = 821,008.56 × 192,123.76
  4. Step 4: Simplify right side
    547,082.08x = 157,735,251,539.39
  5. Step 5: Solve for x
    x = 157,735,251,539.39/547,082.08
  6. Step 6: Final answer
    x = 288,321.00

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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.