Home / 141,652.44-195,481.08-81,225.36

Finding the Fourth Proportional to 141,652.44, 195,481.08 and 81,225.36

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Solution

The fourth proportional to 141,652.44, 195,481.08 and 81,225.36 is: 112,091.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,652.44 : 195,481.08 = 81,225.36 : x
  2. Step 2: Convert to fraction form
    141,652.44/195,481.08 = 81,225.36/x
  3. Step 3: Cross multiply
    141,652.44x = 195,481.08 × 81,225.36
  4. Step 4: Simplify right side
    141,652.44x = 15,878,021,096.19
  5. Step 5: Solve for x
    x = 15,878,021,096.19/141,652.44
  6. Step 6: Final answer
    x = 112,091.41

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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.