Home / 194,793.03-292,221.77-68,400.42

Finding the Fourth Proportional to 194,793.03, 292,221.77 and 68,400.42

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Solution

The fourth proportional to 194,793.03, 292,221.77 and 68,400.42 is: 102,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,793.03 : 292,221.77 = 68,400.42 : x
  2. Step 2: Convert to fraction form
    194,793.03/292,221.77 = 68,400.42/x
  3. Step 3: Cross multiply
    194,793.03x = 292,221.77 × 68,400.42
  4. Step 4: Simplify right side
    194,793.03x = 19,988,091,459.14
  5. Step 5: Solve for x
    x = 19,988,091,459.14/194,793.03
  6. Step 6: Final answer
    x = 102,611.94

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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.