Home / 178,217.60-267,110.40-103,193.60

Finding the Fourth Proportional to 178,217.60, 267,110.40 and 103,193.60

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Solution

The fourth proportional to 178,217.60, 267,110.40 and 103,193.60 is: 154,665.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,217.60 : 267,110.40 = 103,193.60 : x
  2. Step 2: Convert to fraction form
    178,217.60/267,110.40 = 103,193.60/x
  3. Step 3: Cross multiply
    178,217.60x = 267,110.40 × 103,193.60
  4. Step 4: Simplify right side
    178,217.60x = 27,564,083,773.44
  5. Step 5: Solve for x
    x = 27,564,083,773.44/178,217.60
  6. Step 6: Final answer
    x = 154,665.33

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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.