Home / 356,311.10-491,709.21-195,176.18

Finding the Fourth Proportional to 356,311.10, 491,709.21 and 195,176.18

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Solution

The fourth proportional to 356,311.10, 491,709.21 and 195,176.18 is: 269,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,311.10 : 491,709.21 = 195,176.18 : x
  2. Step 2: Convert to fraction form
    356,311.10/491,709.21 = 195,176.18/x
  3. Step 3: Cross multiply
    356,311.10x = 491,709.21 × 195,176.18
  4. Step 4: Simplify right side
    356,311.10x = 95,969,925,278.62
  5. Step 5: Solve for x
    x = 95,969,925,278.62/356,311.10
  6. Step 6: Final answer
    x = 269,343.07

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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.