Home / 222,723.30-334,125.45-72,921.90

Finding the Fourth Proportional to 222,723.30, 334,125.45 and 72,921.90

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Solution

The fourth proportional to 222,723.30, 334,125.45 and 72,921.90 is: 109,396.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,723.30 : 334,125.45 = 72,921.90 : x
  2. Step 2: Convert to fraction form
    222,723.30/334,125.45 = 72,921.90/x
  3. Step 3: Cross multiply
    222,723.30x = 334,125.45 × 72,921.90
  4. Step 4: Simplify right side
    222,723.30x = 24,365,062,652.36
  5. Step 5: Solve for x
    x = 24,365,062,652.36/222,723.30
  6. Step 6: Final answer
    x = 109,396.11

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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.