Home / 243,827.38-336,494.85-136,391.01

Finding the Fourth Proportional to 243,827.38, 336,494.85 and 136,391.01

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Solution

The fourth proportional to 243,827.38, 336,494.85 and 136,391.01 is: 188,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,827.38 : 336,494.85 = 136,391.01 : x
  2. Step 2: Convert to fraction form
    243,827.38/336,494.85 = 136,391.01/x
  3. Step 3: Cross multiply
    243,827.38x = 336,494.85 × 136,391.01
  4. Step 4: Simplify right side
    243,827.38x = 45,894,872,451.30
  5. Step 5: Solve for x
    x = 45,894,872,451.30/243,827.38
  6. Step 6: Final answer
    x = 188,226.90

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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.