Home / 190,989.50-263,550.07-110,422.21

Finding the Fourth Proportional to 190,989.50, 263,550.07 and 110,422.21

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Solution

The fourth proportional to 190,989.50, 263,550.07 and 110,422.21 is: 152,373.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,989.50 : 263,550.07 = 110,422.21 : x
  2. Step 2: Convert to fraction form
    190,989.50/263,550.07 = 110,422.21/x
  3. Step 3: Cross multiply
    190,989.50x = 263,550.07 × 110,422.21
  4. Step 4: Simplify right side
    190,989.50x = 29,101,781,175.05
  5. Step 5: Solve for x
    x = 29,101,781,175.05/190,989.50
  6. Step 6: Final answer
    x = 152,373.72

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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.