Home / 135,167.76-186,528.18-74,736.87

Finding the Fourth Proportional to 135,167.76, 186,528.18 and 74,736.87

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Solution

The fourth proportional to 135,167.76, 186,528.18 and 74,736.87 is: 103,135.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,167.76 : 186,528.18 = 74,736.87 : x
  2. Step 2: Convert to fraction form
    135,167.76/186,528.18 = 74,736.87/x
  3. Step 3: Cross multiply
    135,167.76x = 186,528.18 × 74,736.87
  4. Step 4: Simplify right side
    135,167.76x = 13,940,532,340.00
  5. Step 5: Solve for x
    x = 13,940,532,340.00/135,167.76
  6. Step 6: Final answer
    x = 103,135.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.