Home / 156,627.40-234,965.66-51,422.44

Finding the Fourth Proportional to 156,627.40, 234,965.66 and 51,422.44

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Solution

The fourth proportional to 156,627.40, 234,965.66 and 51,422.44 is: 77,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,627.40 : 234,965.66 = 51,422.44 : x
  2. Step 2: Convert to fraction form
    156,627.40/234,965.66 = 51,422.44/x
  3. Step 3: Cross multiply
    156,627.40x = 234,965.66 × 51,422.44
  4. Step 4: Simplify right side
    156,627.40x = 12,082,507,553.41
  5. Step 5: Solve for x
    x = 12,082,507,553.41/156,627.40
  6. Step 6: Final answer
    x = 77,141.72

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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.