Home / 199,336.72-299,004.12-66,226.96

Finding the Fourth Proportional to 199,336.72, 299,004.12 and 66,226.96

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Solution

The fourth proportional to 199,336.72, 299,004.12 and 66,226.96 is: 99,340.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,336.72 : 299,004.12 = 66,226.96 : x
  2. Step 2: Convert to fraction form
    199,336.72/299,004.12 = 66,226.96/x
  3. Step 3: Cross multiply
    199,336.72x = 299,004.12 × 66,226.96
  4. Step 4: Simplify right side
    199,336.72x = 19,802,133,895.08
  5. Step 5: Solve for x
    x = 19,802,133,895.08/199,336.72
  6. Step 6: Final answer
    x = 99,340.12

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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.