Home / 218,008.67-327,105.95-84,982.57

Finding the Fourth Proportional to 218,008.67, 327,105.95 and 84,982.57

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Solution

The fourth proportional to 218,008.67, 327,105.95 and 84,982.57 is: 127,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,008.67 : 327,105.95 = 84,982.57 : x
  2. Step 2: Convert to fraction form
    218,008.67/327,105.95 = 84,982.57/x
  3. Step 3: Cross multiply
    218,008.67x = 327,105.95 × 84,982.57
  4. Step 4: Simplify right side
    218,008.67x = 27,798,303,050.61
  5. Step 5: Solve for x
    x = 27,798,303,050.61/218,008.67
  6. Step 6: Final answer
    x = 127,510.08

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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.