Home / 238,356.90-328,942.86-136,414.36

Finding the Fourth Proportional to 238,356.90, 328,942.86 and 136,414.36

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Solution

The fourth proportional to 238,356.90, 328,942.86 and 136,414.36 is: 188,257.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,356.90 : 328,942.86 = 136,414.36 : x
  2. Step 2: Convert to fraction form
    238,356.90/328,942.86 = 136,414.36/x
  3. Step 3: Cross multiply
    238,356.90x = 328,942.86 × 136,414.36
  4. Step 4: Simplify right side
    238,356.90x = 44,872,529,723.47
  5. Step 5: Solve for x
    x = 44,872,529,723.47/238,356.90
  6. Step 6: Final answer
    x = 188,257.73

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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.