Home / 178,180.11-267,186.60-103,321.53

Finding the Fourth Proportional to 178,180.11, 267,186.60 and 103,321.53

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Solution

The fourth proportional to 178,180.11, 267,186.60 and 103,321.53 is: 154,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,180.11 : 267,186.60 = 103,321.53 : x
  2. Step 2: Convert to fraction form
    178,180.11/267,186.60 = 103,321.53/x
  3. Step 3: Cross multiply
    178,180.11x = 267,186.60 × 103,321.53
  4. Step 4: Simplify right side
    178,180.11x = 27,606,128,307.50
  5. Step 5: Solve for x
    x = 27,606,128,307.50/178,180.11
  6. Step 6: Final answer
    x = 154,933.84

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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.