Home / 178,081.02-267,079.61-51,687.90

Finding the Fourth Proportional to 178,081.02, 267,079.61 and 51,687.90

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Solution

The fourth proportional to 178,081.02, 267,079.61 and 51,687.90 is: 77,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,081.02 : 267,079.61 = 51,687.90 : x
  2. Step 2: Convert to fraction form
    178,081.02/267,079.61 = 51,687.90/x
  3. Step 3: Cross multiply
    178,081.02x = 267,079.61 × 51,687.90
  4. Step 4: Simplify right side
    178,081.02x = 13,804,783,915.28
  5. Step 5: Solve for x
    x = 13,804,783,915.28/178,081.02
  6. Step 6: Final answer
    x = 77,519.68

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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.