Home / 204,516.83-282,371.76-128,066.60

Finding the Fourth Proportional to 204,516.83, 282,371.76 and 128,066.60

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Solution

The fourth proportional to 204,516.83, 282,371.76 and 128,066.60 is: 176,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,516.83 : 282,371.76 = 128,066.60 : x
  2. Step 2: Convert to fraction form
    204,516.83/282,371.76 = 128,066.60/x
  3. Step 3: Cross multiply
    204,516.83x = 282,371.76 × 128,066.60
  4. Step 4: Simplify right side
    204,516.83x = 36,162,389,827.36
  5. Step 5: Solve for x
    x = 36,162,389,827.36/204,516.83
  6. Step 6: Final answer
    x = 176,818.65

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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.