Home / 168,930.78-233,126.55-93,486.30

Finding the Fourth Proportional to 168,930.78, 233,126.55 and 93,486.30

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Solution

The fourth proportional to 168,930.78, 233,126.55 and 93,486.30 is: 129,012.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,930.78 : 233,126.55 = 93,486.30 : x
  2. Step 2: Convert to fraction form
    168,930.78/233,126.55 = 93,486.30/x
  3. Step 3: Cross multiply
    168,930.78x = 233,126.55 × 93,486.30
  4. Step 4: Simplify right side
    168,930.78x = 21,794,138,591.27
  5. Step 5: Solve for x
    x = 21,794,138,591.27/168,930.78
  6. Step 6: Final answer
    x = 129,012.24

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1.5x scale

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.