Home / 194,121.09-291,251.70-67,779.96

Finding the Fourth Proportional to 194,121.09, 291,251.70 and 67,779.96

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Solution

The fourth proportional to 194,121.09, 291,251.70 and 67,779.96 is: 101,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,121.09 : 291,251.70 = 67,779.96 : x
  2. Step 2: Convert to fraction form
    194,121.09/291,251.70 = 67,779.96/x
  3. Step 3: Cross multiply
    194,121.09x = 291,251.70 × 67,779.96
  4. Step 4: Simplify right side
    194,121.09x = 19,741,027,483.74
  5. Step 5: Solve for x
    x = 19,741,027,483.74/194,121.09
  6. Step 6: Final answer
    x = 101,694.40

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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.