Home / 262,628.73-394,066.11-129,436.38

Finding the Fourth Proportional to 262,628.73, 394,066.11 and 129,436.38

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Solution

The fourth proportional to 262,628.73, 394,066.11 and 129,436.38 is: 194,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,628.73 : 394,066.11 = 129,436.38 : x
  2. Step 2: Convert to fraction form
    262,628.73/394,066.11 = 129,436.38/x
  3. Step 3: Cross multiply
    262,628.73x = 394,066.11 × 129,436.38
  4. Step 4: Simplify right side
    262,628.73x = 51,006,491,244.47
  5. Step 5: Solve for x
    x = 51,006,491,244.47/262,628.73
  6. Step 6: Final answer
    x = 194,215.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.