Home / 194,350.14-291,400.40-81,999.62

Finding the Fourth Proportional to 194,350.14, 291,400.40 and 81,999.62

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Solution

The fourth proportional to 194,350.14, 291,400.40 and 81,999.62 is: 122,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,350.14 : 291,400.40 = 81,999.62 : x
  2. Step 2: Convert to fraction form
    194,350.14/291,400.40 = 81,999.62/x
  3. Step 3: Cross multiply
    194,350.14x = 291,400.40 × 81,999.62
  4. Step 4: Simplify right side
    194,350.14x = 23,894,722,067.85
  5. Step 5: Solve for x
    x = 23,894,722,067.85/194,350.14
  6. Step 6: Final answer
    x = 122,946.77

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1.5x scale

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.