Home / 148,489.38-222,710.40-43,283.76

Finding the Fourth Proportional to 148,489.38, 222,710.40 and 43,283.76

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Solution

The fourth proportional to 148,489.38, 222,710.40 and 43,283.76 is: 64,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,489.38 : 222,710.40 = 43,283.76 : x
  2. Step 2: Convert to fraction form
    148,489.38/222,710.40 = 43,283.76/x
  3. Step 3: Cross multiply
    148,489.38x = 222,710.40 × 43,283.76
  4. Step 4: Simplify right side
    148,489.38x = 9,639,743,503.10
  5. Step 5: Solve for x
    x = 9,639,743,503.10/148,489.38
  6. Step 6: Final answer
    x = 64,918.74

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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.