Home / 234,857.18-352,308.82-66,378.80

Finding the Fourth Proportional to 234,857.18, 352,308.82 and 66,378.80

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Solution

The fourth proportional to 234,857.18, 352,308.82 and 66,378.80 is: 99,574.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,857.18 : 352,308.82 = 66,378.80 : x
  2. Step 2: Convert to fraction form
    234,857.18/352,308.82 = 66,378.80/x
  3. Step 3: Cross multiply
    234,857.18x = 352,308.82 × 66,378.80
  4. Step 4: Simplify right side
    234,857.18x = 23,385,836,701.02
  5. Step 5: Solve for x
    x = 23,385,836,701.02/234,857.18
  6. Step 6: Final answer
    x = 99,574.71

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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.