Home / 135,449.46-203,187.56-46,691.28

Finding the Fourth Proportional to 135,449.46, 203,187.56 and 46,691.28

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Solution

The fourth proportional to 135,449.46, 203,187.56 and 46,691.28 is: 70,041.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,449.46 : 203,187.56 = 46,691.28 : x
  2. Step 2: Convert to fraction form
    135,449.46/203,187.56 = 46,691.28/x
  3. Step 3: Cross multiply
    135,449.46x = 203,187.56 × 46,691.28
  4. Step 4: Simplify right side
    135,449.46x = 9,487,087,023.02
  5. Step 5: Solve for x
    x = 9,487,087,023.02/135,449.46
  6. Step 6: Final answer
    x = 70,041.53

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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.