Home / 234,918.73-324,188.07-127,488.79

Finding the Fourth Proportional to 234,918.73, 324,188.07 and 127,488.79

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Solution

The fourth proportional to 234,918.73, 324,188.07 and 127,488.79 is: 175,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,918.73 : 324,188.07 = 127,488.79 : x
  2. Step 2: Convert to fraction form
    234,918.73/324,188.07 = 127,488.79/x
  3. Step 3: Cross multiply
    234,918.73x = 324,188.07 × 127,488.79
  4. Step 4: Simplify right side
    234,918.73x = 41,330,344,776.74
  5. Step 5: Solve for x
    x = 41,330,344,776.74/234,918.73
  6. Step 6: Final answer
    x = 175,934.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.