Home / 156,106.98-234,134.10-43,761.42

Finding the Fourth Proportional to 156,106.98, 234,134.10 and 43,761.42

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Solution

The fourth proportional to 156,106.98, 234,134.10 and 43,761.42 is: 65,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,106.98 : 234,134.10 = 43,761.42 : x
  2. Step 2: Convert to fraction form
    156,106.98/234,134.10 = 43,761.42/x
  3. Step 3: Cross multiply
    156,106.98x = 234,134.10 × 43,761.42
  4. Step 4: Simplify right side
    156,106.98x = 10,246,040,686.42
  5. Step 5: Solve for x
    x = 10,246,040,686.42/156,106.98
  6. Step 6: Final answer
    x = 65,634.74

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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.