Home / 194,228.20-291,330.30-81,860.20

Finding the Fourth Proportional to 194,228.20, 291,330.30 and 81,860.20

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Solution

The fourth proportional to 194,228.20, 291,330.30 and 81,860.20 is: 122,785.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,228.20 : 291,330.30 = 81,860.20 : x
  2. Step 2: Convert to fraction form
    194,228.20/291,330.30 = 81,860.20/x
  3. Step 3: Cross multiply
    194,228.20x = 291,330.30 × 81,860.20
  4. Step 4: Simplify right side
    194,228.20x = 23,848,356,624.06
  5. Step 5: Solve for x
    x = 23,848,356,624.06/194,228.20
  6. Step 6: Final answer
    x = 122,785.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.