Home / 148,526.20-222,740.70-55,019.80

Finding the Fourth Proportional to 148,526.20, 222,740.70 and 55,019.80

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Solution

The fourth proportional to 148,526.20, 222,740.70 and 55,019.80 is: 82,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,526.20 : 222,740.70 = 55,019.80 : x
  2. Step 2: Convert to fraction form
    148,526.20/222,740.70 = 55,019.80/x
  3. Step 3: Cross multiply
    148,526.20x = 222,740.70 × 55,019.80
  4. Step 4: Simplify right side
    148,526.20x = 12,255,148,765.86
  5. Step 5: Solve for x
    x = 12,255,148,765.86/148,526.20
  6. Step 6: Final answer
    x = 82,511.70

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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.