Home / 190,717.76-263,190.66-105,834.80

Finding the Fourth Proportional to 190,717.76, 263,190.66 and 105,834.80

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Solution

The fourth proportional to 190,717.76, 263,190.66 and 105,834.80 is: 146,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,717.76 : 263,190.66 = 105,834.80 : x
  2. Step 2: Convert to fraction form
    190,717.76/263,190.66 = 105,834.80/x
  3. Step 3: Cross multiply
    190,717.76x = 263,190.66 × 105,834.80
  4. Step 4: Simplify right side
    190,717.76x = 27,854,730,862.97
  5. Step 5: Solve for x
    x = 27,854,730,862.97/190,717.76
  6. Step 6: Final answer
    x = 146,052.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.