Home / 178,589.06-267,877.10-72,018.98

Finding the Fourth Proportional to 178,589.06, 267,877.10 and 72,018.98

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Solution

The fourth proportional to 178,589.06, 267,877.10 and 72,018.98 is: 108,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,589.06 : 267,877.10 = 72,018.98 : x
  2. Step 2: Convert to fraction form
    178,589.06/267,877.10 = 72,018.98/x
  3. Step 3: Cross multiply
    178,589.06x = 267,877.10 × 72,018.98
  4. Step 4: Simplify right side
    178,589.06x = 19,292,235,507.36
  5. Step 5: Solve for x
    x = 19,292,235,507.36/178,589.06
  6. Step 6: Final answer
    x = 108,025.85

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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.