Home / 113,818.20-170,727.30-76,396.20

Finding the Fourth Proportional to 113,818.20, 170,727.30 and 76,396.20

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Solution

The fourth proportional to 113,818.20, 170,727.30 and 76,396.20 is: 114,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,818.20 : 170,727.30 = 76,396.20 : x
  2. Step 2: Convert to fraction form
    113,818.20/170,727.30 = 76,396.20/x
  3. Step 3: Cross multiply
    113,818.20x = 170,727.30 × 76,396.20
  4. Step 4: Simplify right side
    113,818.20x = 13,042,916,956.26
  5. Step 5: Solve for x
    x = 13,042,916,956.26/113,818.20
  6. Step 6: Final answer
    x = 114,594.30

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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.