Home / 199,884.02-275,840.66-109,239.95

Finding the Fourth Proportional to 199,884.02, 275,840.66 and 109,239.95

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Solution

The fourth proportional to 199,884.02, 275,840.66 and 109,239.95 is: 150,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,884.02 : 275,840.66 = 109,239.95 : x
  2. Step 2: Convert to fraction form
    199,884.02/275,840.66 = 109,239.95/x
  3. Step 3: Cross multiply
    199,884.02x = 275,840.66 × 109,239.95
  4. Step 4: Simplify right side
    199,884.02x = 30,132,819,906.37
  5. Step 5: Solve for x
    x = 30,132,819,906.37/199,884.02
  6. Step 6: Final answer
    x = 150,751.52

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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.