Home / 148,951.75-223,357.23-54,115.80

Finding the Fourth Proportional to 148,951.75, 223,357.23 and 54,115.80

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Solution

The fourth proportional to 148,951.75, 223,357.23 and 54,115.80 is: 81,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,951.75 : 223,357.23 = 54,115.80 : x
  2. Step 2: Convert to fraction form
    148,951.75/223,357.23 = 54,115.80/x
  3. Step 3: Cross multiply
    148,951.75x = 223,357.23 × 54,115.80
  4. Step 4: Simplify right side
    148,951.75x = 12,087,155,187.23
  5. Step 5: Solve for x
    x = 12,087,155,187.23/148,951.75
  6. Step 6: Final answer
    x = 81,148.13

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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.