Home / 199,704.23-299,559-66,584.53

Finding the Fourth Proportional to 199,704.23, 299,559 and 66,584.53

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Solution

The fourth proportional to 199,704.23, 299,559 and 66,584.53 is: 99,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,704.23 : 299,559 = 66,584.53 : x
  2. Step 2: Convert to fraction form
    199,704.23/299,559 = 66,584.53/x
  3. Step 3: Cross multiply
    199,704.23x = 299,559 × 66,584.53
  4. Step 4: Simplify right side
    199,704.23x = 19,945,995,222.27
  5. Step 5: Solve for x
    x = 19,945,995,222.27/199,704.23
  6. Step 6: Final answer
    x = 99,877.68

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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.