Home / 175,057.20-262,780.20-108,572.40

Finding the Fourth Proportional to 175,057.20, 262,780.20 and 108,572.40

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Solution

The fourth proportional to 175,057.20, 262,780.20 and 108,572.40 is: 162,979.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,057.20 : 262,780.20 = 108,572.40 : x
  2. Step 2: Convert to fraction form
    175,057.20/262,780.20 = 108,572.40/x
  3. Step 3: Cross multiply
    175,057.20x = 262,780.20 × 108,572.40
  4. Step 4: Simplify right side
    175,057.20x = 28,530,676,986.48
  5. Step 5: Solve for x
    x = 28,530,676,986.48/175,057.20
  6. Step 6: Final answer
    x = 162,979.17

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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.