Home / 141,491.16-195,285.53-81,102.24

Finding the Fourth Proportional to 141,491.16, 195,285.53 and 81,102.24

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Solution

The fourth proportional to 141,491.16, 195,285.53 and 81,102.24 is: 111,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,491.16 : 195,285.53 = 81,102.24 : x
  2. Step 2: Convert to fraction form
    141,491.16/195,285.53 = 81,102.24/x
  3. Step 3: Cross multiply
    141,491.16x = 195,285.53 × 81,102.24
  4. Step 4: Simplify right side
    141,491.16x = 15,838,093,517.08
  5. Step 5: Solve for x
    x = 15,838,093,517.08/141,491.16
  6. Step 6: Final answer
    x = 111,936.98

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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.