Home / 141,481.08-195,247.08-77,822.28

Finding the Fourth Proportional to 141,481.08, 195,247.08 and 77,822.28

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Solution

The fourth proportional to 141,481.08, 195,247.08 and 77,822.28 is: 107,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,481.08 : 195,247.08 = 77,822.28 : x
  2. Step 2: Convert to fraction form
    141,481.08/195,247.08 = 77,822.28/x
  3. Step 3: Cross multiply
    141,481.08x = 195,247.08 × 77,822.28
  4. Step 4: Simplify right side
    141,481.08x = 15,194,572,928.94
  5. Step 5: Solve for x
    x = 15,194,572,928.94/141,481.08
  6. Step 6: Final answer
    x = 107,396.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.