Home / 357,257.33-493,013.17-196,115.12

Finding the Fourth Proportional to 357,257.33, 493,013.17 and 196,115.12

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Solution

The fourth proportional to 357,257.33, 493,013.17 and 196,115.12 is: 270,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,257.33 : 493,013.17 = 196,115.12 : x
  2. Step 2: Convert to fraction form
    357,257.33/493,013.17 = 196,115.12/x
  3. Step 3: Cross multiply
    357,257.33x = 493,013.17 × 196,115.12
  4. Step 4: Simplify right side
    357,257.33x = 96,687,338,228.66
  5. Step 5: Solve for x
    x = 96,687,338,228.66/357,257.33
  6. Step 6: Final answer
    x = 270,637.80

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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.