Home / 144,624.08-216,982.20-115,155.92

Finding the Fourth Proportional to 144,624.08, 216,982.20 and 115,155.92

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Solution

The fourth proportional to 144,624.08, 216,982.20 and 115,155.92 is: 172,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,624.08 : 216,982.20 = 115,155.92 : x
  2. Step 2: Convert to fraction form
    144,624.08/216,982.20 = 115,155.92/x
  3. Step 3: Cross multiply
    144,624.08x = 216,982.20 × 115,155.92
  4. Step 4: Simplify right side
    144,624.08x = 24,986,784,864.62
  5. Step 5: Solve for x
    x = 24,986,784,864.62/144,624.08
  6. Step 6: Final answer
    x = 172,770.57

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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.