Home / 168,028.15-231,878.71-92,576.65

Finding the Fourth Proportional to 168,028.15, 231,878.71 and 92,576.65

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Solution

The fourth proportional to 168,028.15, 231,878.71 and 92,576.65 is: 127,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,028.15 : 231,878.71 = 92,576.65 : x
  2. Step 2: Convert to fraction form
    168,028.15/231,878.71 = 92,576.65/x
  3. Step 3: Cross multiply
    168,028.15x = 231,878.71 × 92,576.65
  4. Step 4: Simplify right side
    168,028.15x = 21,466,554,178.12
  5. Step 5: Solve for x
    x = 21,466,554,178.12/168,028.15
  6. Step 6: Final answer
    x = 127,755.70

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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.