Home / 135,187.22-202,781.28-126,966.37

Finding the Fourth Proportional to 135,187.22, 202,781.28 and 126,966.37

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Solution

The fourth proportional to 135,187.22, 202,781.28 and 126,966.37 is: 190,449.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,187.22 : 202,781.28 = 126,966.37 : x
  2. Step 2: Convert to fraction form
    135,187.22/202,781.28 = 126,966.37/x
  3. Step 3: Cross multiply
    135,187.22x = 202,781.28 × 126,966.37
  4. Step 4: Simplify right side
    135,187.22x = 25,746,403,025.55
  5. Step 5: Solve for x
    x = 25,746,403,025.55/135,187.22
  6. Step 6: Final answer
    x = 190,449.98

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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.