Home / 199,518.93-275,327.55-108,872.64

Finding the Fourth Proportional to 199,518.93, 275,327.55 and 108,872.64

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Solution

The fourth proportional to 199,518.93, 275,327.55 and 108,872.64 is: 150,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,518.93 : 275,327.55 = 108,872.64 : x
  2. Step 2: Convert to fraction form
    199,518.93/275,327.55 = 108,872.64/x
  3. Step 3: Cross multiply
    199,518.93x = 275,327.55 × 108,872.64
  4. Step 4: Simplify right side
    199,518.93x = 29,975,637,233.23
  5. Step 5: Solve for x
    x = 29,975,637,233.23/199,518.93
  6. Step 6: Final answer
    x = 150,239.56

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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.