Home / 193,392.18-290,102.24-80,959.32

Finding the Fourth Proportional to 193,392.18, 290,102.24 and 80,959.32

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Solution

The fourth proportional to 193,392.18, 290,102.24 and 80,959.32 is: 121,444.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,392.18 : 290,102.24 = 80,959.32 : x
  2. Step 2: Convert to fraction form
    193,392.18/290,102.24 = 80,959.32/x
  3. Step 3: Cross multiply
    193,392.18x = 290,102.24 × 80,959.32
  4. Step 4: Simplify right side
    193,392.18x = 23,486,480,283.28
  5. Step 5: Solve for x
    x = 23,486,480,283.28/193,392.18
  6. Step 6: Final answer
    x = 121,444.83

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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.