Home / 199,655.84-275,517.17-109,015.62

Finding the Fourth Proportional to 199,655.84, 275,517.17 and 109,015.62

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Solution

The fourth proportional to 199,655.84, 275,517.17 and 109,015.62 is: 150,437.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,655.84 : 275,517.17 = 109,015.62 : x
  2. Step 2: Convert to fraction form
    199,655.84/275,517.17 = 109,015.62/x
  3. Step 3: Cross multiply
    199,655.84x = 275,517.17 × 109,015.62
  4. Step 4: Simplify right side
    199,655.84x = 30,035,674,563.12
  5. Step 5: Solve for x
    x = 30,035,674,563.12/199,655.84
  6. Step 6: Final answer
    x = 150,437.25

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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.