Home / 156,184.40-234,241.50-71,863.68

Finding the Fourth Proportional to 156,184.40, 234,241.50 and 71,863.68

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Solution

The fourth proportional to 156,184.40, 234,241.50 and 71,863.68 is: 107,779.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,184.40 : 234,241.50 = 71,863.68 : x
  2. Step 2: Convert to fraction form
    156,184.40/234,241.50 = 71,863.68/x
  3. Step 3: Cross multiply
    156,184.40x = 234,241.50 × 71,863.68
  4. Step 4: Simplify right side
    156,184.40x = 16,833,456,198.72
  5. Step 5: Solve for x
    x = 16,833,456,198.72/156,184.40
  6. Step 6: Final answer
    x = 107,779.37

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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.