Home / 199,583.24-299,422.70-66,464.65

Finding the Fourth Proportional to 199,583.24, 299,422.70 and 66,464.65

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Solution

The fourth proportional to 199,583.24, 299,422.70 and 66,464.65 is: 99,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,583.24 : 299,422.70 = 66,464.65 : x
  2. Step 2: Convert to fraction form
    199,583.24/299,422.70 = 66,464.65/x
  3. Step 3: Cross multiply
    199,583.24x = 299,422.70 × 66,464.65
  4. Step 4: Simplify right side
    199,583.24x = 19,901,024,042.84
  5. Step 5: Solve for x
    x = 19,901,024,042.84/199,583.24
  6. Step 6: Final answer
    x = 99,712.90

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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.