Home / 148,279.21-222,194.34-98,179.90

Finding the Fourth Proportional to 148,279.21, 222,194.34 and 98,179.90

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Solution

The fourth proportional to 148,279.21, 222,194.34 and 98,179.90 is: 147,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,279.21 : 222,194.34 = 98,179.90 : x
  2. Step 2: Convert to fraction form
    148,279.21/222,194.34 = 98,179.90/x
  3. Step 3: Cross multiply
    148,279.21x = 222,194.34 × 98,179.90
  4. Step 4: Simplify right side
    148,279.21x = 21,815,017,526.28
  5. Step 5: Solve for x
    x = 21,815,017,526.28/148,279.21
  6. Step 6: Final answer
    x = 147,121.22

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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.