Home / 148,045.10-222,067.65-103,721.90

Finding the Fourth Proportional to 148,045.10, 222,067.65 and 103,721.90

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Solution

The fourth proportional to 148,045.10, 222,067.65 and 103,721.90 is: 155,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,045.10 : 222,067.65 = 103,721.90 : x
  2. Step 2: Convert to fraction form
    148,045.10/222,067.65 = 103,721.90/x
  3. Step 3: Cross multiply
    148,045.10x = 222,067.65 × 103,721.90
  4. Step 4: Simplify right side
    148,045.10x = 23,033,278,586.54
  5. Step 5: Solve for x
    x = 23,033,278,586.54/148,045.10
  6. Step 6: Final answer
    x = 155,582.85

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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.