Home / 164,681.30-227,260.35-89,229.80

Finding the Fourth Proportional to 164,681.30, 227,260.35 and 89,229.80

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Solution

The fourth proportional to 164,681.30, 227,260.35 and 89,229.80 is: 123,137.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,681.30 : 227,260.35 = 89,229.80 : x
  2. Step 2: Convert to fraction form
    164,681.30/227,260.35 = 89,229.80/x
  3. Step 3: Cross multiply
    164,681.30x = 227,260.35 × 89,229.80
  4. Step 4: Simplify right side
    164,681.30x = 20,278,394,868.24
  5. Step 5: Solve for x
    x = 20,278,394,868.24/164,681.30
  6. Step 6: Final answer
    x = 123,137.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.