Home / 234,934.32-324,211.78-127,505.28

Finding the Fourth Proportional to 234,934.32, 324,211.78 and 127,505.28

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Solution

The fourth proportional to 234,934.32, 324,211.78 and 127,505.28 is: 175,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,934.32 : 324,211.78 = 127,505.28 : x
  2. Step 2: Convert to fraction form
    234,934.32/324,211.78 = 127,505.28/x
  3. Step 3: Cross multiply
    234,934.32x = 324,211.78 × 127,505.28
  4. Step 4: Simplify right side
    234,934.32x = 41,338,712,167.14
  5. Step 5: Solve for x
    x = 41,338,712,167.14/234,934.32
  6. Step 6: Final answer
    x = 175,958.60

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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.