Home / 199,656.02-275,517.42-109,015.80

Finding the Fourth Proportional to 199,656.02, 275,517.42 and 109,015.80

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Solution

The fourth proportional to 199,656.02, 275,517.42 and 109,015.80 is: 150,437.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,656.02 : 275,517.42 = 109,015.80 : x
  2. Step 2: Convert to fraction form
    199,656.02/275,517.42 = 109,015.80/x
  3. Step 3: Cross multiply
    199,656.02x = 275,517.42 × 109,015.80
  4. Step 4: Simplify right side
    199,656.02x = 30,035,751,955.24
  5. Step 5: Solve for x
    x = 30,035,751,955.24/199,656.02
  6. Step 6: Final answer
    x = 150,437.50

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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.