Home / 148,011.10-222,016.65-103,687.90

Finding the Fourth Proportional to 148,011.10, 222,016.65 and 103,687.90

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Solution

The fourth proportional to 148,011.10, 222,016.65 and 103,687.90 is: 155,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,011.10 : 222,016.65 = 103,687.90 : x
  2. Step 2: Convert to fraction form
    148,011.10/222,016.65 = 103,687.90/x
  3. Step 3: Cross multiply
    148,011.10x = 222,016.65 × 103,687.90
  4. Step 4: Simplify right side
    148,011.10x = 23,020,440,203.54
  5. Step 5: Solve for x
    x = 23,020,440,203.54/148,011.10
  6. Step 6: Final answer
    x = 155,531.85

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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.