Home / 206,986.07-310,292.02-73,834.68

Finding the Fourth Proportional to 206,986.07, 310,292.02 and 73,834.68

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Solution

The fourth proportional to 206,986.07, 310,292.02 and 73,834.68 is: 110,685.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,986.07 : 310,292.02 = 73,834.68 : x
  2. Step 2: Convert to fraction form
    206,986.07/310,292.02 = 73,834.68/x
  3. Step 3: Cross multiply
    206,986.07x = 310,292.02 × 73,834.68
  4. Step 4: Simplify right side
    206,986.07x = 22,910,312,003.25
  5. Step 5: Solve for x
    x = 22,910,312,003.25/206,986.07
  6. Step 6: Final answer
    x = 110,685.28

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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.