Home / 175,920.25-263,780.40-69,246.39

Finding the Fourth Proportional to 175,920.25, 263,780.40 and 69,246.39

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Solution

The fourth proportional to 175,920.25, 263,780.40 and 69,246.39 is: 103,830.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,920.25 : 263,780.40 = 69,246.39 : x
  2. Step 2: Convert to fraction form
    175,920.25/263,780.40 = 69,246.39/x
  3. Step 3: Cross multiply
    175,920.25x = 263,780.40 × 69,246.39
  4. Step 4: Simplify right side
    175,920.25x = 18,265,840,452.76
  5. Step 5: Solve for x
    x = 18,265,840,452.76/175,920.25
  6. Step 6: Final answer
    x = 103,830.23

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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.