Home / 199,272.43-298,843.88-66,116.94

Finding the Fourth Proportional to 199,272.43, 298,843.88 and 66,116.94

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Solution

The fourth proportional to 199,272.43, 298,843.88 and 66,116.94 is: 99,153.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,272.43 : 298,843.88 = 66,116.94 : x
  2. Step 2: Convert to fraction form
    199,272.43/298,843.88 = 66,116.94/x
  3. Step 3: Cross multiply
    199,272.43x = 298,843.88 × 66,116.94
  4. Step 4: Simplify right side
    199,272.43x = 19,758,642,503.17
  5. Step 5: Solve for x
    x = 19,758,642,503.17/199,272.43
  6. Step 6: Final answer
    x = 99,153.92

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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.