Home / 134,934.68-202,187.64-90,397.64

Finding the Fourth Proportional to 134,934.68, 202,187.64 and 90,397.64

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Solution

The fourth proportional to 134,934.68, 202,187.64 and 90,397.64 is: 135,452.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,934.68 : 202,187.64 = 90,397.64 : x
  2. Step 2: Convert to fraction form
    134,934.68/202,187.64 = 90,397.64/x
  3. Step 3: Cross multiply
    134,934.68x = 202,187.64 × 90,397.64
  4. Step 4: Simplify right side
    134,934.68x = 18,277,285,493.17
  5. Step 5: Solve for x
    x = 18,277,285,493.17/134,934.68
  6. Step 6: Final answer
    x = 135,452.84

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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.