Home / 194,993.28-291,864.96-104,909.76

Finding the Fourth Proportional to 194,993.28, 291,864.96 and 104,909.76

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Solution

The fourth proportional to 194,993.28, 291,864.96 and 104,909.76 is: 157,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,993.28 : 291,864.96 = 104,909.76 : x
  2. Step 2: Convert to fraction form
    194,993.28/291,864.96 = 104,909.76/x
  3. Step 3: Cross multiply
    194,993.28x = 291,864.96 × 104,909.76
  4. Step 4: Simplify right side
    194,993.28x = 30,619,482,906.01
  5. Step 5: Solve for x
    x = 30,619,482,906.01/194,993.28
  6. Step 6: Final answer
    x = 157,028.40

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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.