Home / 113,719.32-170,298.65-71,494.65

Finding the Fourth Proportional to 113,719.32, 170,298.65 and 71,494.65

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Solution

The fourth proportional to 113,719.32, 170,298.65 and 71,494.65 is: 107,065.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,719.32 : 170,298.65 = 71,494.65 : x
  2. Step 2: Convert to fraction form
    113,719.32/170,298.65 = 71,494.65/x
  3. Step 3: Cross multiply
    113,719.32x = 170,298.65 × 71,494.65
  4. Step 4: Simplify right side
    113,719.32x = 12,175,442,555.96
  5. Step 5: Solve for x
    x = 12,175,442,555.96/113,719.32
  6. Step 6: Final answer
    x = 107,065.73

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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.