Home / 199,961.82-275,977.32-115,062.48

Finding the Fourth Proportional to 199,961.82, 275,977.32 and 115,062.48

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Solution

The fourth proportional to 199,961.82, 275,977.32 and 115,062.48 is: 158,803.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,961.82 : 275,977.32 = 115,062.48 : x
  2. Step 2: Convert to fraction form
    199,961.82/275,977.32 = 115,062.48/x
  3. Step 3: Cross multiply
    199,961.82x = 275,977.32 × 115,062.48
  4. Step 4: Simplify right side
    199,961.82x = 31,754,634,862.95
  5. Step 5: Solve for x
    x = 31,754,634,862.95/199,961.82
  6. Step 6: Final answer
    x = 158,803.49

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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.