Home / 293,039.38-404,446.12-172,180.64

Finding the Fourth Proportional to 293,039.38, 404,446.12 and 172,180.64

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Solution

The fourth proportional to 293,039.38, 404,446.12 and 172,180.64 is: 237,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,039.38 : 404,446.12 = 172,180.64 : x
  2. Step 2: Convert to fraction form
    293,039.38/404,446.12 = 172,180.64/x
  3. Step 3: Cross multiply
    293,039.38x = 404,446.12 × 172,180.64
  4. Step 4: Simplify right side
    293,039.38x = 69,637,791,787.12
  5. Step 5: Solve for x
    x = 69,637,791,787.12/293,039.38
  6. Step 6: Final answer
    x = 237,639.70

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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.