Home / 356,170.16-491,515.68-195,035.84

Finding the Fourth Proportional to 356,170.16, 491,515.68 and 195,035.84

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Solution

The fourth proportional to 356,170.16, 491,515.68 and 195,035.84 is: 269,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,170.16 : 491,515.68 = 195,035.84 : x
  2. Step 2: Convert to fraction form
    356,170.16/491,515.68 = 195,035.84/x
  3. Step 3: Cross multiply
    356,170.16x = 491,515.68 × 195,035.84
  4. Step 4: Simplify right side
    356,170.16x = 95,863,173,521.97
  5. Step 5: Solve for x
    x = 95,863,173,521.97/356,170.16
  6. Step 6: Final answer
    x = 269,149.93

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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.