Home / 204,981.24-282,937.14-120,125.64

Finding the Fourth Proportional to 204,981.24, 282,937.14 and 120,125.64

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Solution

The fourth proportional to 204,981.24, 282,937.14 and 120,125.64 is: 165,810.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,981.24 : 282,937.14 = 120,125.64 : x
  2. Step 2: Convert to fraction form
    204,981.24/282,937.14 = 120,125.64/x
  3. Step 3: Cross multiply
    204,981.24x = 282,937.14 × 120,125.64
  4. Step 4: Simplify right side
    204,981.24x = 33,988,005,022.27
  5. Step 5: Solve for x
    x = 33,988,005,022.27/204,981.24
  6. Step 6: Final answer
    x = 165,810.32

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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.