Home / 148,948.75-223,352.73-54,112.80

Finding the Fourth Proportional to 148,948.75, 223,352.73 and 54,112.80

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Solution

The fourth proportional to 148,948.75, 223,352.73 and 54,112.80 is: 81,143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,948.75 : 223,352.73 = 54,112.80 : x
  2. Step 2: Convert to fraction form
    148,948.75/223,352.73 = 54,112.80/x
  3. Step 3: Cross multiply
    148,948.75x = 223,352.73 × 54,112.80
  4. Step 4: Simplify right side
    148,948.75x = 12,086,240,798.97
  5. Step 5: Solve for x
    x = 12,086,240,798.97/148,948.75
  6. Step 6: Final answer
    x = 81,143.62

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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.