Home / 204,613.06-282,301.05-115,171.78

Finding the Fourth Proportional to 204,613.06, 282,301.05 and 115,171.78

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Solution

The fourth proportional to 204,613.06, 282,301.05 and 115,171.78 is: 158,900.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,613.06 : 282,301.05 = 115,171.78 : x
  2. Step 2: Convert to fraction form
    204,613.06/282,301.05 = 115,171.78/x
  3. Step 3: Cross multiply
    204,613.06x = 282,301.05 × 115,171.78
  4. Step 4: Simplify right side
    204,613.06x = 32,513,114,424.37
  5. Step 5: Solve for x
    x = 32,513,114,424.37/204,613.06
  6. Step 6: Final answer
    x = 158,900.48

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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.