Home / 234,943.40-324,213.66-127,511.28

Finding the Fourth Proportional to 234,943.40, 324,213.66 and 127,511.28

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Solution

The fourth proportional to 234,943.40, 324,213.66 and 127,511.28 is: 175,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,943.40 : 324,213.66 = 127,511.28 : x
  2. Step 2: Convert to fraction form
    234,943.40/324,213.66 = 127,511.28/x
  3. Step 3: Cross multiply
    234,943.40x = 324,213.66 × 127,511.28
  4. Step 4: Simplify right side
    234,943.40x = 41,340,898,780.08
  5. Step 5: Solve for x
    x = 41,340,898,780.08/234,943.40
  6. Step 6: Final answer
    x = 175,961.10

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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.