Home / 218,222.18-327,322.72-76,061.70

Finding the Fourth Proportional to 218,222.18, 327,322.72 and 76,061.70

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Solution

The fourth proportional to 218,222.18, 327,322.72 and 76,061.70 is: 114,088.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,222.18 : 327,322.72 = 76,061.70 : x
  2. Step 2: Convert to fraction form
    218,222.18/327,322.72 = 76,061.70/x
  3. Step 3: Cross multiply
    218,222.18x = 327,322.72 × 76,061.70
  4. Step 4: Simplify right side
    218,222.18x = 24,896,722,531.82
  5. Step 5: Solve for x
    x = 24,896,722,531.82/218,222.18
  6. Step 6: Final answer
    x = 114,088.87

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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.