Home / 356,311.02-491,709.29-195,171.85

Finding the Fourth Proportional to 356,311.02, 491,709.29 and 195,171.85

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Solution

The fourth proportional to 356,311.02, 491,709.29 and 195,171.85 is: 269,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,311.02 : 491,709.29 = 195,171.85 : x
  2. Step 2: Convert to fraction form
    356,311.02/491,709.29 = 195,171.85/x
  3. Step 3: Cross multiply
    356,311.02x = 491,709.29 × 195,171.85
  4. Step 4: Simplify right side
    356,311.02x = 95,967,808,664.40
  5. Step 5: Solve for x
    x = 95,967,808,664.40/356,311.02
  6. Step 6: Final answer
    x = 269,337.19

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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.