Home / 218,127.23-327,194.94-68,364.20

Finding the Fourth Proportional to 218,127.23, 327,194.94 and 68,364.20

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Solution

The fourth proportional to 218,127.23, 327,194.94 and 68,364.20 is: 102,547.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,127.23 : 327,194.94 = 68,364.20 : x
  2. Step 2: Convert to fraction form
    218,127.23/327,194.94 = 68,364.20/x
  3. Step 3: Cross multiply
    218,127.23x = 327,194.94 × 68,364.20
  4. Step 4: Simplify right side
    218,127.23x = 22,368,421,135.14
  5. Step 5: Solve for x
    x = 22,368,421,135.14/218,127.23
  6. Step 6: Final answer
    x = 102,547.59

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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.