Home / 164,534.28-227,058-89,082.78

Finding the Fourth Proportional to 164,534.28, 227,058 and 89,082.78

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Solution

The fourth proportional to 164,534.28, 227,058 and 89,082.78 is: 122,934.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,534.28 : 227,058 = 89,082.78 : x
  2. Step 2: Convert to fraction form
    164,534.28/227,058 = 89,082.78/x
  3. Step 3: Cross multiply
    164,534.28x = 227,058 × 89,082.78
  4. Step 4: Simplify right side
    164,534.28x = 20,226,957,861.24
  5. Step 5: Solve for x
    x = 20,226,957,861.24/164,534.28
  6. Step 6: Final answer
    x = 122,934.61

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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.