Home / 113,827.20-170,740.80-54,778.20

Finding the Fourth Proportional to 113,827.20, 170,740.80 and 54,778.20

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Solution

The fourth proportional to 113,827.20, 170,740.80 and 54,778.20 is: 82,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,827.20 : 170,740.80 = 54,778.20 : x
  2. Step 2: Convert to fraction form
    113,827.20/170,740.80 = 54,778.20/x
  3. Step 3: Cross multiply
    113,827.20x = 170,740.80 × 54,778.20
  4. Step 4: Simplify right side
    113,827.20x = 9,352,873,690.56
  5. Step 5: Solve for x
    x = 9,352,873,690.56/113,827.20
  6. Step 6: Final answer
    x = 82,167.30

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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.