Home / 157,821.05-236,764.82-51,196.68

Finding the Fourth Proportional to 157,821.05, 236,764.82 and 51,196.68

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Solution

The fourth proportional to 157,821.05, 236,764.82 and 51,196.68 is: 76,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,821.05 : 236,764.82 = 51,196.68 : x
  2. Step 2: Convert to fraction form
    157,821.05/236,764.82 = 51,196.68/x
  3. Step 3: Cross multiply
    157,821.05x = 236,764.82 × 51,196.68
  4. Step 4: Simplify right side
    157,821.05x = 12,121,572,724.80
  5. Step 5: Solve for x
    x = 12,121,572,724.80/157,821.05
  6. Step 6: Final answer
    x = 76,805.80

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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.