Home / 239,995.43-331,190.33-131,098.47

Finding the Fourth Proportional to 239,995.43, 331,190.33 and 131,098.47

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Solution

The fourth proportional to 239,995.43, 331,190.33 and 131,098.47 is: 180,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,995.43 : 331,190.33 = 131,098.47 : x
  2. Step 2: Convert to fraction form
    239,995.43/331,190.33 = 131,098.47/x
  3. Step 3: Cross multiply
    239,995.43x = 331,190.33 × 131,098.47
  4. Step 4: Simplify right side
    239,995.43x = 43,418,545,541.80
  5. Step 5: Solve for x
    x = 43,418,545,541.80/239,995.43
  6. Step 6: Final answer
    x = 180,914.05

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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.