Home / 136,067.58-187,777.11-82,362.30

Finding the Fourth Proportional to 136,067.58, 187,777.11 and 82,362.30

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Solution

The fourth proportional to 136,067.58, 187,777.11 and 82,362.30 is: 113,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,067.58 : 187,777.11 = 82,362.30 : x
  2. Step 2: Convert to fraction form
    136,067.58/187,777.11 = 82,362.30/x
  3. Step 3: Cross multiply
    136,067.58x = 187,777.11 × 82,362.30
  4. Step 4: Simplify right side
    136,067.58x = 15,465,754,666.95
  5. Step 5: Solve for x
    x = 15,465,754,666.95/136,067.58
  6. Step 6: Final answer
    x = 113,662.30

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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.