Home / 141,485-195,277.04-81,096.13

Finding the Fourth Proportional to 141,485, 195,277.04 and 81,096.13

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Solution

The fourth proportional to 141,485, 195,277.04 and 81,096.13 is: 111,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,485 : 195,277.04 = 81,096.13 : x
  2. Step 2: Convert to fraction form
    141,485/195,277.04 = 81,096.13/x
  3. Step 3: Cross multiply
    141,485x = 195,277.04 × 81,096.13
  4. Step 4: Simplify right side
    141,485x = 15,836,212,221.86
  5. Step 5: Solve for x
    x = 15,836,212,221.86/141,485
  6. Step 6: Final answer
    x = 111,928.56

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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.