Home / 381,028.46-571,543.59-96,719.06

Finding the Fourth Proportional to 381,028.46, 571,543.59 and 96,719.06

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Solution

The fourth proportional to 381,028.46, 571,543.59 and 96,719.06 is: 145,078.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,028.46 : 571,543.59 = 96,719.06 : x
  2. Step 2: Convert to fraction form
    381,028.46/571,543.59 = 96,719.06/x
  3. Step 3: Cross multiply
    381,028.46x = 571,543.59 × 96,719.06
  4. Step 4: Simplify right side
    381,028.46x = 55,279,160,565.38
  5. Step 5: Solve for x
    x = 55,279,160,565.38/381,028.46
  6. Step 6: Final answer
    x = 145,078.83

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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.