Home / 204,515.26-282,242.72-122,868.49

Finding the Fourth Proportional to 204,515.26, 282,242.72 and 122,868.49

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Solution

The fourth proportional to 204,515.26, 282,242.72 and 122,868.49 is: 169,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,515.26 : 282,242.72 = 122,868.49 : x
  2. Step 2: Convert to fraction form
    204,515.26/282,242.72 = 122,868.49/x
  3. Step 3: Cross multiply
    204,515.26x = 282,242.72 × 122,868.49
  4. Step 4: Simplify right side
    204,515.26x = 34,678,736,819.89
  5. Step 5: Solve for x
    x = 34,678,736,819.89/204,515.26
  6. Step 6: Final answer
    x = 169,565.52

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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.