Home / 166,853.67-250,169.29-86,694.65

Finding the Fourth Proportional to 166,853.67, 250,169.29 and 86,694.65

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Solution

The fourth proportional to 166,853.67, 250,169.29 and 86,694.65 is: 129,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,853.67 : 250,169.29 = 86,694.65 : x
  2. Step 2: Convert to fraction form
    166,853.67/250,169.29 = 86,694.65/x
  3. Step 3: Cross multiply
    166,853.67x = 250,169.29 × 86,694.65
  4. Step 4: Simplify right side
    166,853.67x = 21,688,339,037.30
  5. Step 5: Solve for x
    x = 21,688,339,037.30/166,853.67
  6. Step 6: Final answer
    x = 129,984.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.