Home / 199,530.42-275,399.10-114,696.69

Finding the Fourth Proportional to 199,530.42, 275,399.10 and 114,696.69

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Solution

The fourth proportional to 199,530.42, 275,399.10 and 114,696.69 is: 158,308.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,530.42 : 275,399.10 = 114,696.69 : x
  2. Step 2: Convert to fraction form
    199,530.42/275,399.10 = 114,696.69/x
  3. Step 3: Cross multiply
    199,530.42x = 275,399.10 × 114,696.69
  4. Step 4: Simplify right side
    199,530.42x = 31,587,365,198.98
  5. Step 5: Solve for x
    x = 31,587,365,198.98/199,530.42
  6. Step 6: Final answer
    x = 158,308.52

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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.