Home / 128,359.98-192,634.57-60,892.23

Finding the Fourth Proportional to 128,359.98, 192,634.57 and 60,892.23

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Solution

The fourth proportional to 128,359.98, 192,634.57 and 60,892.23 is: 91,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,359.98 : 192,634.57 = 60,892.23 : x
  2. Step 2: Convert to fraction form
    128,359.98/192,634.57 = 60,892.23/x
  3. Step 3: Cross multiply
    128,359.98x = 192,634.57 × 60,892.23
  4. Step 4: Simplify right side
    128,359.98x = 11,729,948,542.39
  5. Step 5: Solve for x
    x = 11,729,948,542.39/128,359.98
  6. Step 6: Final answer
    x = 91,383.22

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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.