Home / 178,561.13-267,670.84-66,211.30

Finding the Fourth Proportional to 178,561.13, 267,670.84 and 66,211.30

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Solution

The fourth proportional to 178,561.13, 267,670.84 and 66,211.30 is: 99,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,561.13 : 267,670.84 = 66,211.30 : x
  2. Step 2: Convert to fraction form
    178,561.13/267,670.84 = 66,211.30/x
  3. Step 3: Cross multiply
    178,561.13x = 267,670.84 × 66,211.30
  4. Step 4: Simplify right side
    178,561.13x = 17,722,834,288.49
  5. Step 5: Solve for x
    x = 17,722,834,288.49/178,561.13
  6. Step 6: Final answer
    x = 99,253.60

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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.