Home / 167,555.13-231,189.38-99,594.69

Finding the Fourth Proportional to 167,555.13, 231,189.38 and 99,594.69

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Solution

The fourth proportional to 167,555.13, 231,189.38 and 99,594.69 is: 137,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,555.13 : 231,189.38 = 99,594.69 : x
  2. Step 2: Convert to fraction form
    167,555.13/231,189.38 = 99,594.69/x
  3. Step 3: Cross multiply
    167,555.13x = 231,189.38 × 99,594.69
  4. Step 4: Simplify right side
    167,555.13x = 23,025,234,134.42
  5. Step 5: Solve for x
    x = 23,025,234,134.42/167,555.13
  6. Step 6: Final answer
    x = 137,418.86

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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.