Home / 148,129.20-222,193.80-118,604.70

Finding the Fourth Proportional to 148,129.20, 222,193.80 and 118,604.70

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Solution

The fourth proportional to 148,129.20, 222,193.80 and 118,604.70 is: 177,907.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,129.20 : 222,193.80 = 118,604.70 : x
  2. Step 2: Convert to fraction form
    148,129.20/222,193.80 = 118,604.70/x
  3. Step 3: Cross multiply
    148,129.20x = 222,193.80 × 118,604.70
  4. Step 4: Simplify right side
    148,129.20x = 26,353,228,990.86
  5. Step 5: Solve for x
    x = 26,353,228,990.86/148,129.20
  6. Step 6: Final answer
    x = 177,907.05

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1.5x scale

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.