Home / 193,065.12-289,553.94-68,406.12

Finding the Fourth Proportional to 193,065.12, 289,553.94 and 68,406.12

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Solution

The fourth proportional to 193,065.12, 289,553.94 and 68,406.12 is: 102,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,065.12 : 289,553.94 = 68,406.12 : x
  2. Step 2: Convert to fraction form
    193,065.12/289,553.94 = 68,406.12/x
  3. Step 3: Cross multiply
    193,065.12x = 289,553.94 × 68,406.12
  4. Step 4: Simplify right side
    193,065.12x = 19,807,261,566.11
  5. Step 5: Solve for x
    x = 19,807,261,566.11/193,065.12
  6. Step 6: Final answer
    x = 102,593.68

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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.