Home / 156,154.15-234,196.12-71,833.35

Finding the Fourth Proportional to 156,154.15, 234,196.12 and 71,833.35

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Solution

The fourth proportional to 156,154.15, 234,196.12 and 71,833.35 is: 107,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,154.15 : 234,196.12 = 71,833.35 : x
  2. Step 2: Convert to fraction form
    156,154.15/234,196.12 = 71,833.35/x
  3. Step 3: Cross multiply
    156,154.15x = 234,196.12 × 71,833.35
  4. Step 4: Simplify right side
    156,154.15x = 16,823,091,856.60
  5. Step 5: Solve for x
    x = 16,823,091,856.60/156,154.15
  6. Step 6: Final answer
    x = 107,733.88

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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.