Home / 356,107.10-491,429.24-194,977.14

Finding the Fourth Proportional to 356,107.10, 491,429.24 and 194,977.14

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Solution

The fourth proportional to 356,107.10, 491,429.24 and 194,977.14 is: 269,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,107.10 : 491,429.24 = 194,977.14 : x
  2. Step 2: Convert to fraction form
    356,107.10/491,429.24 = 194,977.14/x
  3. Step 3: Cross multiply
    356,107.10x = 491,429.24 × 194,977.14
  4. Step 4: Simplify right side
    356,107.10x = 95,817,466,752.69
  5. Step 5: Solve for x
    x = 95,817,466,752.69/356,107.10
  6. Step 6: Final answer
    x = 269,069.24

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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.