Home / 148,766.70-205,229.23-88,302.90

Finding the Fourth Proportional to 148,766.70, 205,229.23 and 88,302.90

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Solution

The fourth proportional to 148,766.70, 205,229.23 and 88,302.90 is: 121,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,766.70 : 205,229.23 = 88,302.90 : x
  2. Step 2: Convert to fraction form
    148,766.70/205,229.23 = 88,302.90/x
  3. Step 3: Cross multiply
    148,766.70x = 205,229.23 × 88,302.90
  4. Step 4: Simplify right side
    148,766.70x = 18,122,336,173.77
  5. Step 5: Solve for x
    x = 18,122,336,173.77/148,766.70
  6. Step 6: Final answer
    x = 121,817.16

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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.