Home / 174,392.80-261,589.28-80,847.52

Finding the Fourth Proportional to 174,392.80, 261,589.28 and 80,847.52

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Solution

The fourth proportional to 174,392.80, 261,589.28 and 80,847.52 is: 121,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,392.80 : 261,589.28 = 80,847.52 : x
  2. Step 2: Convert to fraction form
    174,392.80/261,589.28 = 80,847.52/x
  3. Step 3: Cross multiply
    174,392.80x = 261,589.28 × 80,847.52
  4. Step 4: Simplify right side
    174,392.80x = 21,148,844,546.59
  5. Step 5: Solve for x
    x = 21,148,844,546.59/174,392.80
  6. Step 6: Final answer
    x = 121,271.32

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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.