Home / 148,287.90-222,129.45-91,955.10

Finding the Fourth Proportional to 148,287.90, 222,129.45 and 91,955.10

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Solution

The fourth proportional to 148,287.90, 222,129.45 and 91,955.10 is: 137,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,287.90 : 222,129.45 = 91,955.10 : x
  2. Step 2: Convert to fraction form
    148,287.90/222,129.45 = 91,955.10/x
  3. Step 3: Cross multiply
    148,287.90x = 222,129.45 × 91,955.10
  4. Step 4: Simplify right side
    148,287.90x = 20,425,935,787.70
  5. Step 5: Solve for x
    x = 20,425,935,787.70/148,287.90
  6. Step 6: Final answer
    x = 137,745.13

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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.