Home / 178,471.68-267,536.83-66,121.73

Finding the Fourth Proportional to 178,471.68, 267,536.83 and 66,121.73

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Solution

The fourth proportional to 178,471.68, 267,536.83 and 66,121.73 is: 99,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,471.68 : 267,536.83 = 66,121.73 : x
  2. Step 2: Convert to fraction form
    178,471.68/267,536.83 = 66,121.73/x
  3. Step 3: Cross multiply
    178,471.68x = 267,536.83 × 66,121.73
  4. Step 4: Simplify right side
    178,471.68x = 17,689,998,038.32
  5. Step 5: Solve for x
    x = 17,689,998,038.32/178,471.68
  6. Step 6: Final answer
    x = 99,119.36

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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.