Home / 194,121.36-291,207.66-67,763.88

Finding the Fourth Proportional to 194,121.36, 291,207.66 and 67,763.88

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Solution

The fourth proportional to 194,121.36, 291,207.66 and 67,763.88 is: 101,654.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,121.36 : 291,207.66 = 67,763.88 : x
  2. Step 2: Convert to fraction form
    194,121.36/291,207.66 = 67,763.88/x
  3. Step 3: Cross multiply
    194,121.36x = 291,207.66 × 67,763.88
  4. Step 4: Simplify right side
    194,121.36x = 19,733,360,927.32
  5. Step 5: Solve for x
    x = 19,733,360,927.32/194,121.36
  6. Step 6: Final answer
    x = 101,654.76

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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.