Home / 194,258.13-291,403.70-54,016.75

Finding the Fourth Proportional to 194,258.13, 291,403.70 and 54,016.75

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Solution

The fourth proportional to 194,258.13, 291,403.70 and 54,016.75 is: 81,029.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,258.13 : 291,403.70 = 54,016.75 : x
  2. Step 2: Convert to fraction form
    194,258.13/291,403.70 = 54,016.75/x
  3. Step 3: Cross multiply
    194,258.13x = 291,403.70 × 54,016.75
  4. Step 4: Simplify right side
    194,258.13x = 15,740,680,811.98
  5. Step 5: Solve for x
    x = 15,740,680,811.98/194,258.13
  6. Step 6: Final answer
    x = 81,029.71

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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.