Home / 320,790.44-442,675.02-182,974.82

Finding the Fourth Proportional to 320,790.44, 442,675.02 and 182,974.82

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Solution

The fourth proportional to 320,790.44, 442,675.02 and 182,974.82 is: 252,496.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,790.44 : 442,675.02 = 182,974.82 : x
  2. Step 2: Convert to fraction form
    320,790.44/442,675.02 = 182,974.82/x
  3. Step 3: Cross multiply
    320,790.44x = 442,675.02 × 182,974.82
  4. Step 4: Simplify right side
    320,790.44x = 80,998,382,103.00
  5. Step 5: Solve for x
    x = 80,998,382,103.00/320,790.44
  6. Step 6: Final answer
    x = 252,496.25

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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.