Home / 146,428.94-219,560.18-57,634.31

Finding the Fourth Proportional to 146,428.94, 219,560.18 and 57,634.31

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Solution

The fourth proportional to 146,428.94, 219,560.18 and 57,634.31 is: 86,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,428.94 : 219,560.18 = 57,634.31 : x
  2. Step 2: Convert to fraction form
    146,428.94/219,560.18 = 57,634.31/x
  3. Step 3: Cross multiply
    146,428.94x = 219,560.18 × 57,634.31
  4. Step 4: Simplify right side
    146,428.94x = 12,654,198,091.80
  5. Step 5: Solve for x
    x = 12,654,198,091.80/146,428.94
  6. Step 6: Final answer
    x = 86,418.70

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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.