Home / 148,268.70-222,403.05-89,073.90

Finding the Fourth Proportional to 148,268.70, 222,403.05 and 89,073.90

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Solution

The fourth proportional to 148,268.70, 222,403.05 and 89,073.90 is: 133,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,268.70 : 222,403.05 = 89,073.90 : x
  2. Step 2: Convert to fraction form
    148,268.70/222,403.05 = 89,073.90/x
  3. Step 3: Cross multiply
    148,268.70x = 222,403.05 × 89,073.90
  4. Step 4: Simplify right side
    148,268.70x = 19,810,307,035.40
  5. Step 5: Solve for x
    x = 19,810,307,035.40/148,268.70
  6. Step 6: Final answer
    x = 133,610.85

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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.