Home / 234,709.16-352,112.75-76,925.21

Finding the Fourth Proportional to 234,709.16, 352,112.75 and 76,925.21

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Solution

The fourth proportional to 234,709.16, 352,112.75 and 76,925.21 is: 115,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,709.16 : 352,112.75 = 76,925.21 : x
  2. Step 2: Convert to fraction form
    234,709.16/352,112.75 = 76,925.21/x
  3. Step 3: Cross multiply
    234,709.16x = 352,112.75 × 76,925.21
  4. Step 4: Simplify right side
    234,709.16x = 27,086,346,852.80
  5. Step 5: Solve for x
    x = 27,086,346,852.80/234,709.16
  6. Step 6: Final answer
    x = 115,403.88

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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.