Home / 204,614.06-282,302.43-115,172.78

Finding the Fourth Proportional to 204,614.06, 282,302.43 and 115,172.78

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Solution

The fourth proportional to 204,614.06, 282,302.43 and 115,172.78 is: 158,901.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,614.06 : 282,302.43 = 115,172.78 : x
  2. Step 2: Convert to fraction form
    204,614.06/282,302.43 = 115,172.78/x
  3. Step 3: Cross multiply
    204,614.06x = 282,302.43 × 115,172.78
  4. Step 4: Simplify right side
    204,614.06x = 32,513,555,663.86
  5. Step 5: Solve for x
    x = 32,513,555,663.86/204,614.06
  6. Step 6: Final answer
    x = 158,901.86

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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.