Home / 270,119.19-405,207.04-92,640.50

Finding the Fourth Proportional to 270,119.19, 405,207.04 and 92,640.50

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Solution

The fourth proportional to 270,119.19, 405,207.04 and 92,640.50 is: 138,970.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,119.19 : 405,207.04 = 92,640.50 : x
  2. Step 2: Convert to fraction form
    270,119.19/405,207.04 = 92,640.50/x
  3. Step 3: Cross multiply
    270,119.19x = 405,207.04 × 92,640.50
  4. Step 4: Simplify right side
    270,119.19x = 37,538,582,789.12
  5. Step 5: Solve for x
    x = 37,538,582,789.12/270,119.19
  6. Step 6: Final answer
    x = 138,970.44

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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.