Home / 190,618.23-263,052.30-108,945.12

Finding the Fourth Proportional to 190,618.23, 263,052.30 and 108,945.12

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Solution

The fourth proportional to 190,618.23, 263,052.30 and 108,945.12 is: 150,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,618.23 : 263,052.30 = 108,945.12 : x
  2. Step 2: Convert to fraction form
    190,618.23/263,052.30 = 108,945.12/x
  3. Step 3: Cross multiply
    190,618.23x = 263,052.30 × 108,945.12
  4. Step 4: Simplify right side
    190,618.23x = 28,658,264,389.78
  5. Step 5: Solve for x
    x = 28,658,264,389.78/190,618.23
  6. Step 6: Final answer
    x = 150,343.78

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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.