Home / 156,154.15-234,196.14-71,833.33

Finding the Fourth Proportional to 156,154.15, 234,196.14 and 71,833.33

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Solution

The fourth proportional to 156,154.15, 234,196.14 and 71,833.33 is: 107,733.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,154.15 : 234,196.14 = 71,833.33 : x
  2. Step 2: Convert to fraction form
    156,154.15/234,196.14 = 71,833.33/x
  3. Step 3: Cross multiply
    156,154.15x = 234,196.14 × 71,833.33
  4. Step 4: Simplify right side
    156,154.15x = 16,823,088,609.35
  5. Step 5: Solve for x
    x = 16,823,088,609.35/156,154.15
  6. Step 6: Final answer
    x = 107,733.86

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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.