Home / 238,195.10-356,825.54-138,145.16

Finding the Fourth Proportional to 238,195.10, 356,825.54 and 138,145.16

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Solution

The fourth proportional to 238,195.10, 356,825.54 and 138,145.16 is: 206,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,195.10 : 356,825.54 = 138,145.16 : x
  2. Step 2: Convert to fraction form
    238,195.10/356,825.54 = 138,145.16/x
  3. Step 3: Cross multiply
    238,195.10x = 356,825.54 × 138,145.16
  4. Step 4: Simplify right side
    238,195.10x = 49,293,721,315.39
  5. Step 5: Solve for x
    x = 49,293,721,315.39/238,195.10
  6. Step 6: Final answer
    x = 206,946.83

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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.