Home / 175,979.60-263,969.40-159,909.20

Finding the Fourth Proportional to 175,979.60, 263,969.40 and 159,909.20

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Solution

The fourth proportional to 175,979.60, 263,969.40 and 159,909.20 is: 239,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,979.60 : 263,969.40 = 159,909.20 : x
  2. Step 2: Convert to fraction form
    175,979.60/263,969.40 = 159,909.20/x
  3. Step 3: Cross multiply
    175,979.60x = 263,969.40 × 159,909.20
  4. Step 4: Simplify right side
    175,979.60x = 42,211,135,578.48
  5. Step 5: Solve for x
    x = 42,211,135,578.48/175,979.60
  6. Step 6: Final answer
    x = 239,863.80

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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.