Home / 148,435.20-222,679.80-48,567.60

Finding the Fourth Proportional to 148,435.20, 222,679.80 and 48,567.60

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Solution

The fourth proportional to 148,435.20, 222,679.80 and 48,567.60 is: 72,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,435.20 : 222,679.80 = 48,567.60 : x
  2. Step 2: Convert to fraction form
    148,435.20/222,679.80 = 48,567.60/x
  3. Step 3: Cross multiply
    148,435.20x = 222,679.80 × 48,567.60
  4. Step 4: Simplify right side
    148,435.20x = 10,815,023,454.48
  5. Step 5: Solve for x
    x = 10,815,023,454.48/148,435.20
  6. Step 6: Final answer
    x = 72,860.23

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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.