Home / 151,438.40-226,963.20-92,211.20

Finding the Fourth Proportional to 151,438.40, 226,963.20 and 92,211.20

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Solution

The fourth proportional to 151,438.40, 226,963.20 and 92,211.20 is: 138,198.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,438.40 : 226,963.20 = 92,211.20 : x
  2. Step 2: Convert to fraction form
    151,438.40/226,963.20 = 92,211.20/x
  3. Step 3: Cross multiply
    151,438.40x = 226,963.20 × 92,211.20
  4. Step 4: Simplify right side
    151,438.40x = 20,928,549,027.84
  5. Step 5: Solve for x
    x = 20,928,549,027.84/151,438.40
  6. Step 6: Final answer
    x = 138,198.43

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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.