Home / 212,760.36-319,141.53-63,003.47

Finding the Fourth Proportional to 212,760.36, 319,141.53 and 63,003.47

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Solution

The fourth proportional to 212,760.36, 319,141.53 and 63,003.47 is: 94,505.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,760.36 : 319,141.53 = 63,003.47 : x
  2. Step 2: Convert to fraction form
    212,760.36/319,141.53 = 63,003.47/x
  3. Step 3: Cross multiply
    212,760.36x = 319,141.53 × 63,003.47
  4. Step 4: Simplify right side
    212,760.36x = 20,107,022,215.40
  5. Step 5: Solve for x
    x = 20,107,022,215.40/212,760.36
  6. Step 6: Final answer
    x = 94,505.49

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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.