Home / 193,359.28-290,027.22-114,972.40

Finding the Fourth Proportional to 193,359.28, 290,027.22 and 114,972.40

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Solution

The fourth proportional to 193,359.28, 290,027.22 and 114,972.40 is: 172,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,359.28 : 290,027.22 = 114,972.40 : x
  2. Step 2: Convert to fraction form
    193,359.28/290,027.22 = 114,972.40/x
  3. Step 3: Cross multiply
    193,359.28x = 290,027.22 × 114,972.40
  4. Step 4: Simplify right side
    193,359.28x = 33,345,125,548.73
  5. Step 5: Solve for x
    x = 33,345,125,548.73/193,359.28
  6. Step 6: Final answer
    x = 172,451.64

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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.