Home / 190,491.92-285,679.54-131,705.36

Finding the Fourth Proportional to 190,491.92, 285,679.54 and 131,705.36

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Solution

The fourth proportional to 190,491.92, 285,679.54 and 131,705.36 is: 197,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,491.92 : 285,679.54 = 131,705.36 : x
  2. Step 2: Convert to fraction form
    190,491.92/285,679.54 = 131,705.36/x
  3. Step 3: Cross multiply
    190,491.92x = 285,679.54 × 131,705.36
  4. Step 4: Simplify right side
    190,491.92x = 37,625,526,660.33
  5. Step 5: Solve for x
    x = 37,625,526,660.33/190,491.92
  6. Step 6: Final answer
    x = 197,517.70

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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.