Home / 234,971.20-324,259.09-127,540.36

Finding the Fourth Proportional to 234,971.20, 324,259.09 and 127,540.36

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Solution

The fourth proportional to 234,971.20, 324,259.09 and 127,540.36 is: 176,005.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,971.20 : 324,259.09 = 127,540.36 : x
  2. Step 2: Convert to fraction form
    234,971.20/324,259.09 = 127,540.36/x
  3. Step 3: Cross multiply
    234,971.20x = 324,259.09 × 127,540.36
  4. Step 4: Simplify right side
    234,971.20x = 41,356,121,071.87
  5. Step 5: Solve for x
    x = 41,356,121,071.87/234,971.20
  6. Step 6: Final answer
    x = 176,005.06

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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.