Home / 113,734.16-170,251.28-74,206.16

Finding the Fourth Proportional to 113,734.16, 170,251.28 and 74,206.16

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Solution

The fourth proportional to 113,734.16, 170,251.28 and 74,206.16 is: 111,080.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,734.16 : 170,251.28 = 74,206.16 : x
  2. Step 2: Convert to fraction form
    113,734.16/170,251.28 = 74,206.16/x
  3. Step 3: Cross multiply
    113,734.16x = 170,251.28 × 74,206.16
  4. Step 4: Simplify right side
    113,734.16x = 12,633,693,723.88
  5. Step 5: Solve for x
    x = 12,633,693,723.88/113,734.16
  6. Step 6: Final answer
    x = 111,080.91

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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.