Home / 218,726.40-328,049.10-60,922.20

Finding the Fourth Proportional to 218,726.40, 328,049.10 and 60,922.20

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Solution

The fourth proportional to 218,726.40, 328,049.10 and 60,922.20 is: 91,372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,726.40 : 328,049.10 = 60,922.20 : x
  2. Step 2: Convert to fraction form
    218,726.40/328,049.10 = 60,922.20/x
  3. Step 3: Cross multiply
    218,726.40x = 328,049.10 × 60,922.20
  4. Step 4: Simplify right side
    218,726.40x = 19,985,472,880.02
  5. Step 5: Solve for x
    x = 19,985,472,880.02/218,726.40
  6. Step 6: Final answer
    x = 91,372.02

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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.