Home / 178,438.86-267,573.57-103,581.96

Finding the Fourth Proportional to 178,438.86, 267,573.57 and 103,581.96

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Solution

The fourth proportional to 178,438.86, 267,573.57 and 103,581.96 is: 155,323.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,438.86 : 267,573.57 = 103,581.96 : x
  2. Step 2: Convert to fraction form
    178,438.86/267,573.57 = 103,581.96/x
  3. Step 3: Cross multiply
    178,438.86x = 267,573.57 × 103,581.96
  4. Step 4: Simplify right side
    178,438.86x = 27,715,794,824.80
  5. Step 5: Solve for x
    x = 27,715,794,824.80/178,438.86
  6. Step 6: Final answer
    x = 155,323.76

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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.