Home / 178,842.91-268,264.43-66,508.46

Finding the Fourth Proportional to 178,842.91, 268,264.43 and 66,508.46

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Solution

The fourth proportional to 178,842.91, 268,264.43 and 66,508.46 is: 99,762.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,842.91 : 268,264.43 = 66,508.46 : x
  2. Step 2: Convert to fraction form
    178,842.91/268,264.43 = 66,508.46/x
  3. Step 3: Cross multiply
    178,842.91x = 268,264.43 × 66,508.46
  4. Step 4: Simplify right side
    178,842.91x = 17,841,854,450.20
  5. Step 5: Solve for x
    x = 17,841,854,450.20/178,842.91
  6. Step 6: Final answer
    x = 99,762.72

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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.