Home / 199,373.02-275,139.97-108,732.80

Finding the Fourth Proportional to 199,373.02, 275,139.97 and 108,732.80

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Solution

The fourth proportional to 199,373.02, 275,139.97 and 108,732.80 is: 150,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,373.02 : 275,139.97 = 108,732.80 : x
  2. Step 2: Convert to fraction form
    199,373.02/275,139.97 = 108,732.80/x
  3. Step 3: Cross multiply
    199,373.02x = 275,139.97 × 108,732.80
  4. Step 4: Simplify right side
    199,373.02x = 29,916,739,746.03
  5. Step 5: Solve for x
    x = 29,916,739,746.03/199,373.02
  6. Step 6: Final answer
    x = 150,054.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.