Home / 207,906.36-311,897.96-65,787.41

Finding the Fourth Proportional to 207,906.36, 311,897.96 and 65,787.41

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Solution

The fourth proportional to 207,906.36, 311,897.96 and 65,787.41 is: 98,693.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,906.36 : 311,897.96 = 65,787.41 : x
  2. Step 2: Convert to fraction form
    207,906.36/311,897.96 = 65,787.41/x
  3. Step 3: Cross multiply
    207,906.36x = 311,897.96 × 65,787.41
  4. Step 4: Simplify right side
    207,906.36x = 20,518,957,084.26
  5. Step 5: Solve for x
    x = 20,518,957,084.26/207,906.36
  6. Step 6: Final answer
    x = 98,693.26

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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.