Home / 199,719.16-275,611.05-109,075.16

Finding the Fourth Proportional to 199,719.16, 275,611.05 and 109,075.16

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Solution

The fourth proportional to 199,719.16, 275,611.05 and 109,075.16 is: 150,522.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,719.16 : 275,611.05 = 109,075.16 : x
  2. Step 2: Convert to fraction form
    199,719.16/275,611.05 = 109,075.16/x
  3. Step 3: Cross multiply
    199,719.16x = 275,611.05 × 109,075.16
  4. Step 4: Simplify right side
    199,719.16x = 30,062,320,065.55
  5. Step 5: Solve for x
    x = 30,062,320,065.55/199,719.16
  6. Step 6: Final answer
    x = 150,522.97

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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.