Home / 193,337.50-289,937.03-66,943.82

Finding the Fourth Proportional to 193,337.50, 289,937.03 and 66,943.82

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Solution

The fourth proportional to 193,337.50, 289,937.03 and 66,943.82 is: 100,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,337.50 : 289,937.03 = 66,943.82 : x
  2. Step 2: Convert to fraction form
    193,337.50/289,937.03 = 66,943.82/x
  3. Step 3: Cross multiply
    193,337.50x = 289,937.03 × 66,943.82
  4. Step 4: Simplify right side
    193,337.50x = 19,409,491,065.33
  5. Step 5: Solve for x
    x = 19,409,491,065.33/193,337.50
  6. Step 6: Final answer
    x = 100,391.76

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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.