Home / 167,165.20-230,687.07-90,685.81

Finding the Fourth Proportional to 167,165.20, 230,687.07 and 90,685.81

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Solution

The fourth proportional to 167,165.20, 230,687.07 and 90,685.81 is: 125,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,165.20 : 230,687.07 = 90,685.81 : x
  2. Step 2: Convert to fraction form
    167,165.20/230,687.07 = 90,685.81/x
  3. Step 3: Cross multiply
    167,165.20x = 230,687.07 × 90,685.81
  4. Step 4: Simplify right side
    167,165.20x = 20,920,042,646.04
  5. Step 5: Solve for x
    x = 20,920,042,646.04/167,165.20
  6. Step 6: Final answer
    x = 125,145.92

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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.