Home / 156,906.05-235,356.99-38,578.41

Finding the Fourth Proportional to 156,906.05, 235,356.99 and 38,578.41

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Solution

The fourth proportional to 156,906.05, 235,356.99 and 38,578.41 is: 57,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,906.05 : 235,356.99 = 38,578.41 : x
  2. Step 2: Convert to fraction form
    156,906.05/235,356.99 = 38,578.41/x
  3. Step 3: Cross multiply
    156,906.05x = 235,356.99 × 38,578.41
  4. Step 4: Simplify right side
    156,906.05x = 9,079,698,456.59
  5. Step 5: Solve for x
    x = 9,079,698,456.59/156,906.05
  6. Step 6: Final answer
    x = 57,867.10

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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.