Home / 218,127.38-327,195.17-68,364.35

Finding the Fourth Proportional to 218,127.38, 327,195.17 and 68,364.35

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Solution

The fourth proportional to 218,127.38, 327,195.17 and 68,364.35 is: 102,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,127.38 : 327,195.17 = 68,364.35 : x
  2. Step 2: Convert to fraction form
    218,127.38/327,195.17 = 68,364.35/x
  3. Step 3: Cross multiply
    218,127.38x = 327,195.17 × 68,364.35
  4. Step 4: Simplify right side
    218,127.38x = 22,368,484,778.37
  5. Step 5: Solve for x
    x = 22,368,484,778.37/218,127.38
  6. Step 6: Final answer
    x = 102,547.81

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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.