Home / 199,593.11-299,437.56-66,474.57

Finding the Fourth Proportional to 199,593.11, 299,437.56 and 66,474.57

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Solution

The fourth proportional to 199,593.11, 299,437.56 and 66,474.57 is: 99,727.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,593.11 : 299,437.56 = 66,474.57 : x
  2. Step 2: Convert to fraction form
    199,593.11/299,437.56 = 66,474.57/x
  3. Step 3: Cross multiply
    199,593.11x = 299,437.56 × 66,474.57
  4. Step 4: Simplify right side
    199,593.11x = 19,904,984,165.74
  5. Step 5: Solve for x
    x = 19,904,984,165.74/199,593.11
  6. Step 6: Final answer
    x = 99,727.81

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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.