Home / 148,308.40-222,486.84-48,439.60

Finding the Fourth Proportional to 148,308.40, 222,486.84 and 48,439.60

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Solution

The fourth proportional to 148,308.40, 222,486.84 and 48,439.60 is: 72,667.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,308.40 : 222,486.84 = 48,439.60 : x
  2. Step 2: Convert to fraction form
    148,308.40/222,486.84 = 48,439.60/x
  3. Step 3: Cross multiply
    148,308.40x = 222,486.84 × 48,439.60
  4. Step 4: Simplify right side
    148,308.40x = 10,777,173,534.86
  5. Step 5: Solve for x
    x = 10,777,173,534.86/148,308.40
  6. Step 6: Final answer
    x = 72,667.32

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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.