Home / 218,061.22-327,082.02-76,006.66

Finding the Fourth Proportional to 218,061.22, 327,082.02 and 76,006.66

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Solution

The fourth proportional to 218,061.22, 327,082.02 and 76,006.66 is: 114,006.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,061.22 : 327,082.02 = 76,006.66 : x
  2. Step 2: Convert to fraction form
    218,061.22/327,082.02 = 76,006.66/x
  3. Step 3: Cross multiply
    218,061.22x = 327,082.02 × 76,006.66
  4. Step 4: Simplify right side
    218,061.22x = 24,860,411,886.25
  5. Step 5: Solve for x
    x = 24,860,411,886.25/218,061.22
  6. Step 6: Final answer
    x = 114,006.57

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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.