Home / 194,313.60-291,540.48-67,972.80

Finding the Fourth Proportional to 194,313.60, 291,540.48 and 67,972.80

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Solution

The fourth proportional to 194,313.60, 291,540.48 and 67,972.80 is: 101,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,313.60 : 291,540.48 = 67,972.80 : x
  2. Step 2: Convert to fraction form
    194,313.60/291,540.48 = 67,972.80/x
  3. Step 3: Cross multiply
    194,313.60x = 291,540.48 × 67,972.80
  4. Step 4: Simplify right side
    194,313.60x = 19,816,822,738.94
  5. Step 5: Solve for x
    x = 19,816,822,738.94/194,313.60
  6. Step 6: Final answer
    x = 101,983.71

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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.