Home / 262,834.70-394,110-82,886.18

Finding the Fourth Proportional to 262,834.70, 394,110 and 82,886.18

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Solution

The fourth proportional to 262,834.70, 394,110 and 82,886.18 is: 124,284.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,834.70 : 394,110 = 82,886.18 : x
  2. Step 2: Convert to fraction form
    262,834.70/394,110 = 82,886.18/x
  3. Step 3: Cross multiply
    262,834.70x = 394,110 × 82,886.18
  4. Step 4: Simplify right side
    262,834.70x = 32,666,272,399.80
  5. Step 5: Solve for x
    x = 32,666,272,399.80/262,834.70
  6. Step 6: Final answer
    x = 124,284.47

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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.