Home / 148,046.20-222,242.10-84,916.60

Finding the Fourth Proportional to 148,046.20, 222,242.10 and 84,916.60

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Solution

The fourth proportional to 148,046.20, 222,242.10 and 84,916.60 is: 127,474.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,046.20 : 222,242.10 = 84,916.60 : x
  2. Step 2: Convert to fraction form
    148,046.20/222,242.10 = 84,916.60/x
  3. Step 3: Cross multiply
    148,046.20x = 222,242.10 × 84,916.60
  4. Step 4: Simplify right side
    148,046.20x = 18,872,043,508.86
  5. Step 5: Solve for x
    x = 18,872,043,508.86/148,046.20
  6. Step 6: Final answer
    x = 127,474.01

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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.