Home / 135,585.39-203,449.02-98,452.20

Finding the Fourth Proportional to 135,585.39, 203,449.02 and 98,452.20

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Solution

The fourth proportional to 135,585.39, 203,449.02 and 98,452.20 is: 147,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,585.39 : 203,449.02 = 98,452.20 : x
  2. Step 2: Convert to fraction form
    135,585.39/203,449.02 = 98,452.20/x
  3. Step 3: Cross multiply
    135,585.39x = 203,449.02 × 98,452.20
  4. Step 4: Simplify right side
    135,585.39x = 20,030,003,606.84
  5. Step 5: Solve for x
    x = 20,030,003,606.84/135,585.39
  6. Step 6: Final answer
    x = 147,729.81

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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.