Home / 199,744.06-299,617.26-66,623.98

Finding the Fourth Proportional to 199,744.06, 299,617.26 and 66,623.98

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Solution

The fourth proportional to 199,744.06, 299,617.26 and 66,623.98 is: 99,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,744.06 : 299,617.26 = 66,623.98 : x
  2. Step 2: Convert to fraction form
    199,744.06/299,617.26 = 66,623.98/x
  3. Step 3: Cross multiply
    199,744.06x = 299,617.26 × 66,623.98
  4. Step 4: Simplify right side
    199,744.06x = 19,961,694,337.89
  5. Step 5: Solve for x
    x = 19,961,694,337.89/199,744.06
  6. Step 6: Final answer
    x = 99,936.36

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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.