Home / 199,539.04-275,369.71-108,900.82

Finding the Fourth Proportional to 199,539.04, 275,369.71 and 108,900.82

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Solution

The fourth proportional to 199,539.04, 275,369.71 and 108,900.82 is: 150,286.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,539.04 : 275,369.71 = 108,900.82 : x
  2. Step 2: Convert to fraction form
    199,539.04/275,369.71 = 108,900.82/x
  3. Step 3: Cross multiply
    199,539.04x = 275,369.71 × 108,900.82
  4. Step 4: Simplify right side
    199,539.04x = 29,987,987,810.44
  5. Step 5: Solve for x
    x = 29,987,987,810.44/199,539.04
  6. Step 6: Final answer
    x = 150,286.32

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1.5x scale

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.