Home / 382,020.18-527,190.98-238,863.21

Finding the Fourth Proportional to 382,020.18, 527,190.98 and 238,863.21

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Solution

The fourth proportional to 382,020.18, 527,190.98 and 238,863.21 is: 329,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,020.18 : 527,190.98 = 238,863.21 : x
  2. Step 2: Convert to fraction form
    382,020.18/527,190.98 = 238,863.21/x
  3. Step 3: Cross multiply
    382,020.18x = 527,190.98 × 238,863.21
  4. Step 4: Simplify right side
    382,020.18x = 125,926,528,571.53
  5. Step 5: Solve for x
    x = 125,926,528,571.53/382,020.18
  6. Step 6: Final answer
    x = 329,633.18

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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.