Home / 243,013.24-335,358.66-134,115.04

Finding the Fourth Proportional to 243,013.24, 335,358.66 and 134,115.04

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Solution

The fourth proportional to 243,013.24, 335,358.66 and 134,115.04 is: 185,078.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,013.24 : 335,358.66 = 134,115.04 : x
  2. Step 2: Convert to fraction form
    243,013.24/335,358.66 = 134,115.04/x
  3. Step 3: Cross multiply
    243,013.24x = 335,358.66 × 134,115.04
  4. Step 4: Simplify right side
    243,013.24x = 44,976,640,100.25
  5. Step 5: Solve for x
    x = 44,976,640,100.25/243,013.24
  6. Step 6: Final answer
    x = 185,078.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.