Home / 113,382.70-170,268.45-74,113.90

Finding the Fourth Proportional to 113,382.70, 170,268.45 and 74,113.90

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Solution

The fourth proportional to 113,382.70, 170,268.45 and 74,113.90 is: 111,297.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,382.70 : 170,268.45 = 74,113.90 : x
  2. Step 2: Convert to fraction form
    113,382.70/170,268.45 = 74,113.90/x
  3. Step 3: Cross multiply
    113,382.70x = 170,268.45 × 74,113.90
  4. Step 4: Simplify right side
    113,382.70x = 12,619,258,876.46
  5. Step 5: Solve for x
    x = 12,619,258,876.46/113,382.70
  6. Step 6: Final answer
    x = 111,297.92

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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.