Home / 356,010.33-491,275.23-194,834.20

Finding the Fourth Proportional to 356,010.33, 491,275.23 and 194,834.20

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Solution

The fourth proportional to 356,010.33, 491,275.23 and 194,834.20 is: 268,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,010.33 : 491,275.23 = 194,834.20 : x
  2. Step 2: Convert to fraction form
    356,010.33/491,275.23 = 194,834.20/x
  3. Step 3: Cross multiply
    356,010.33x = 491,275.23 × 194,834.20
  4. Step 4: Simplify right side
    356,010.33x = 95,717,216,416.87
  5. Step 5: Solve for x
    x = 95,717,216,416.87/356,010.33
  6. Step 6: Final answer
    x = 268,860.78

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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.