Home / 207,712.48-311,614.80-96,844

Finding the Fourth Proportional to 207,712.48, 311,614.80 and 96,844

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Solution

The fourth proportional to 207,712.48, 311,614.80 and 96,844 is: 145,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,712.48 : 311,614.80 = 96,844 : x
  2. Step 2: Convert to fraction form
    207,712.48/311,614.80 = 96,844/x
  3. Step 3: Cross multiply
    207,712.48x = 311,614.80 × 96,844
  4. Step 4: Simplify right side
    207,712.48x = 30,178,023,691.20
  5. Step 5: Solve for x
    x = 30,178,023,691.20/207,712.48
  6. Step 6: Final answer
    x = 145,287.48

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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.