Home / 356,438.20-491,896.96-195,292.76

Finding the Fourth Proportional to 356,438.20, 491,896.96 and 195,292.76

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Solution

The fourth proportional to 356,438.20, 491,896.96 and 195,292.76 is: 269,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,438.20 : 491,896.96 = 195,292.76 : x
  2. Step 2: Convert to fraction form
    356,438.20/491,896.96 = 195,292.76/x
  3. Step 3: Cross multiply
    356,438.20x = 491,896.96 × 195,292.76
  4. Step 4: Simplify right side
    356,438.20x = 96,063,914,954.01
  5. Step 5: Solve for x
    x = 96,063,914,954.01/356,438.20
  6. Step 6: Final answer
    x = 269,510.72

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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.