Home / 234,945.31-324,221.38-127,514.40

Finding the Fourth Proportional to 234,945.31, 324,221.38 and 127,514.40

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Solution

The fourth proportional to 234,945.31, 324,221.38 and 127,514.40 is: 175,968.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,945.31 : 324,221.38 = 127,514.40 : x
  2. Step 2: Convert to fraction form
    234,945.31/324,221.38 = 127,514.40/x
  3. Step 3: Cross multiply
    234,945.31x = 324,221.38 × 127,514.40
  4. Step 4: Simplify right side
    234,945.31x = 41,342,895,744.27
  5. Step 5: Solve for x
    x = 41,342,895,744.27/234,945.31
  6. Step 6: Final answer
    x = 175,968.17

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1.5x scale

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.