Home / 178,499.32-267,578.22-66,149.36

Finding the Fourth Proportional to 178,499.32, 267,578.22 and 66,149.36

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Solution

The fourth proportional to 178,499.32, 267,578.22 and 66,149.36 is: 99,160.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,499.32 : 267,578.22 = 66,149.36 : x
  2. Step 2: Convert to fraction form
    178,499.32/267,578.22 = 66,149.36/x
  3. Step 3: Cross multiply
    178,499.32x = 267,578.22 × 66,149.36
  4. Step 4: Simplify right side
    178,499.32x = 17,700,128,002.94
  5. Step 5: Solve for x
    x = 17,700,128,002.94/178,499.32
  6. Step 6: Final answer
    x = 99,160.76

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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.