Home / 199,267.66-298,836.49-66,112.17

Finding the Fourth Proportional to 199,267.66, 298,836.49 and 66,112.17

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Solution

The fourth proportional to 199,267.66, 298,836.49 and 66,112.17 is: 99,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,267.66 : 298,836.49 = 66,112.17 : x
  2. Step 2: Convert to fraction form
    199,267.66/298,836.49 = 66,112.17/x
  3. Step 3: Cross multiply
    199,267.66x = 298,836.49 × 66,112.17
  4. Step 4: Simplify right side
    199,267.66x = 19,756,728,829.08
  5. Step 5: Solve for x
    x = 19,756,728,829.08/199,267.66
  6. Step 6: Final answer
    x = 99,146.69

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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.