Home / 212,760.58-319,141.92-63,003.70

Finding the Fourth Proportional to 212,760.58, 319,141.92 and 63,003.70

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Solution

The fourth proportional to 212,760.58, 319,141.92 and 63,003.70 is: 94,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,760.58 : 319,141.92 = 63,003.70 : x
  2. Step 2: Convert to fraction form
    212,760.58/319,141.92 = 63,003.70/x
  3. Step 3: Cross multiply
    212,760.58x = 319,141.92 × 63,003.70
  4. Step 4: Simplify right side
    212,760.58x = 20,107,121,785.10
  5. Step 5: Solve for x
    x = 20,107,121,785.10/212,760.58
  6. Step 6: Final answer
    x = 94,505.86

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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.