Home / 216,542.22-324,727.29-83,348.70

Finding the Fourth Proportional to 216,542.22, 324,727.29 and 83,348.70

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Solution

The fourth proportional to 216,542.22, 324,727.29 and 83,348.70 is: 124,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,542.22 : 324,727.29 = 83,348.70 : x
  2. Step 2: Convert to fraction form
    216,542.22/324,727.29 = 83,348.70/x
  3. Step 3: Cross multiply
    216,542.22x = 324,727.29 × 83,348.70
  4. Step 4: Simplify right side
    216,542.22x = 27,065,597,476.02
  5. Step 5: Solve for x
    x = 27,065,597,476.02/216,542.22
  6. Step 6: Final answer
    x = 124,989.93

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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.