Home / 193,348.35-290,036.34-80,915.36

Finding the Fourth Proportional to 193,348.35, 290,036.34 and 80,915.36

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Solution

The fourth proportional to 193,348.35, 290,036.34 and 80,915.36 is: 121,378.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,348.35 : 290,036.34 = 80,915.36 : x
  2. Step 2: Convert to fraction form
    193,348.35/290,036.34 = 80,915.36/x
  3. Step 3: Cross multiply
    193,348.35x = 290,036.34 × 80,915.36
  4. Step 4: Simplify right side
    193,348.35x = 23,468,393,414.00
  5. Step 5: Solve for x
    x = 23,468,393,414.00/193,348.35
  6. Step 6: Final answer
    x = 121,378.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.