Home / 194,718.30-292,077.45-115,986.30

Finding the Fourth Proportional to 194,718.30, 292,077.45 and 115,986.30

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Solution

The fourth proportional to 194,718.30, 292,077.45 and 115,986.30 is: 173,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,718.30 : 292,077.45 = 115,986.30 : x
  2. Step 2: Convert to fraction form
    194,718.30/292,077.45 = 115,986.30/x
  3. Step 3: Cross multiply
    194,718.30x = 292,077.45 × 115,986.30
  4. Step 4: Simplify right side
    194,718.30x = 33,876,982,738.94
  5. Step 5: Solve for x
    x = 33,876,982,738.94/194,718.30
  6. Step 6: Final answer
    x = 173,979.45

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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.