Home / 148,601.40-222,902.10-89,406.60

Finding the Fourth Proportional to 148,601.40, 222,902.10 and 89,406.60

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Solution

The fourth proportional to 148,601.40, 222,902.10 and 89,406.60 is: 134,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,601.40 : 222,902.10 = 89,406.60 : x
  2. Step 2: Convert to fraction form
    148,601.40/222,902.10 = 89,406.60/x
  3. Step 3: Cross multiply
    148,601.40x = 222,902.10 × 89,406.60
  4. Step 4: Simplify right side
    148,601.40x = 19,928,918,893.86
  5. Step 5: Solve for x
    x = 19,928,918,893.86/148,601.40
  6. Step 6: Final answer
    x = 134,109.90

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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.