Home / 234,857.12-352,308.73-66,378.74

Finding the Fourth Proportional to 234,857.12, 352,308.73 and 66,378.74

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Solution

The fourth proportional to 234,857.12, 352,308.73 and 66,378.74 is: 99,574.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,857.12 : 352,308.73 = 66,378.74 : x
  2. Step 2: Convert to fraction form
    234,857.12/352,308.73 = 66,378.74/x
  3. Step 3: Cross multiply
    234,857.12x = 352,308.73 × 66,378.74
  4. Step 4: Simplify right side
    234,857.12x = 23,385,807,660.91
  5. Step 5: Solve for x
    x = 23,385,807,660.91/234,857.12
  6. Step 6: Final answer
    x = 99,574.62

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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.