Home / 135,336.29-203,074.43-98,202.51

Finding the Fourth Proportional to 135,336.29, 203,074.43 and 98,202.51

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Solution

The fourth proportional to 135,336.29, 203,074.43 and 98,202.51 is: 147,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,336.29 : 203,074.43 = 98,202.51 : x
  2. Step 2: Convert to fraction form
    135,336.29/203,074.43 = 98,202.51/x
  3. Step 3: Cross multiply
    135,336.29x = 203,074.43 × 98,202.51
  4. Step 4: Simplify right side
    135,336.29x = 19,942,418,251.81
  5. Step 5: Solve for x
    x = 19,942,418,251.81/135,336.29
  6. Step 6: Final answer
    x = 147,354.56

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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.