Home / 178,977.86-267,882.62-131,580.40

Finding the Fourth Proportional to 178,977.86, 267,882.62 and 131,580.40

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Solution

The fourth proportional to 178,977.86, 267,882.62 and 131,580.40 is: 196,941.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,977.86 : 267,882.62 = 131,580.40 : x
  2. Step 2: Convert to fraction form
    178,977.86/267,882.62 = 131,580.40/x
  3. Step 3: Cross multiply
    178,977.86x = 267,882.62 × 131,580.40
  4. Step 4: Simplify right side
    178,977.86x = 35,248,101,951.89
  5. Step 5: Solve for x
    x = 35,248,101,951.89/178,977.86
  6. Step 6: Final answer
    x = 196,941.14

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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.