Home / 156,154.65-234,196.89-71,833.83

Finding the Fourth Proportional to 156,154.65, 234,196.89 and 71,833.83

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Solution

The fourth proportional to 156,154.65, 234,196.89 and 71,833.83 is: 107,734.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,154.65 : 234,196.89 = 71,833.83 : x
  2. Step 2: Convert to fraction form
    156,154.65/234,196.89 = 71,833.83/x
  3. Step 3: Cross multiply
    156,154.65x = 234,196.89 × 71,833.83
  4. Step 4: Simplify right side
    156,154.65x = 16,823,259,582.79
  5. Step 5: Solve for x
    x = 16,823,259,582.79/156,154.65
  6. Step 6: Final answer
    x = 107,734.61

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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.