Home / 135,200.22-186,568.77-74,767.26

Finding the Fourth Proportional to 135,200.22, 186,568.77 and 74,767.26

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Solution

The fourth proportional to 135,200.22, 186,568.77 and 74,767.26 is: 103,174.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,200.22 : 186,568.77 = 74,767.26 : x
  2. Step 2: Convert to fraction form
    135,200.22/186,568.77 = 74,767.26/x
  3. Step 3: Cross multiply
    135,200.22x = 186,568.77 × 74,767.26
  4. Step 4: Simplify right side
    135,200.22x = 13,949,235,734.47
  5. Step 5: Solve for x
    x = 13,949,235,734.47/135,200.22
  6. Step 6: Final answer
    x = 103,174.65

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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.