Home / 179,447.40-247,756.68-111,565.80

Finding the Fourth Proportional to 179,447.40, 247,756.68 and 111,565.80

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Solution

The fourth proportional to 179,447.40, 247,756.68 and 111,565.80 is: 154,034.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,447.40 : 247,756.68 = 111,565.80 : x
  2. Step 2: Convert to fraction form
    179,447.40/247,756.68 = 111,565.80/x
  3. Step 3: Cross multiply
    179,447.40x = 247,756.68 × 111,565.80
  4. Step 4: Simplify right side
    179,447.40x = 27,641,172,209.54
  5. Step 5: Solve for x
    x = 27,641,172,209.54/179,447.40
  6. Step 6: Final answer
    x = 154,034.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.