Home / 204,521.38-282,253.07-123,956.55

Finding the Fourth Proportional to 204,521.38, 282,253.07 and 123,956.55

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Solution

The fourth proportional to 204,521.38, 282,253.07 and 123,956.55 is: 171,068.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,521.38 : 282,253.07 = 123,956.55 : x
  2. Step 2: Convert to fraction form
    204,521.38/282,253.07 = 123,956.55/x
  3. Step 3: Cross multiply
    204,521.38x = 282,253.07 × 123,956.55
  4. Step 4: Simplify right side
    204,521.38x = 34,987,117,094.00
  5. Step 5: Solve for x
    x = 34,987,117,094.00/204,521.38
  6. Step 6: Final answer
    x = 171,068.26

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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.