Home / 178,658.10-267,885.09-73,390.50

Finding the Fourth Proportional to 178,658.10, 267,885.09 and 73,390.50

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Solution

The fourth proportional to 178,658.10, 267,885.09 and 73,390.50 is: 110,043.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,658.10 : 267,885.09 = 73,390.50 : x
  2. Step 2: Convert to fraction form
    178,658.10/267,885.09 = 73,390.50/x
  3. Step 3: Cross multiply
    178,658.10x = 267,885.09 × 73,390.50
  4. Step 4: Simplify right side
    178,658.10x = 19,660,220,697.65
  5. Step 5: Solve for x
    x = 19,660,220,697.65/178,658.10
  6. Step 6: Final answer
    x = 110,043.83

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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.