Home / 141,433.02-195,177.33-81,023.22

Finding the Fourth Proportional to 141,433.02, 195,177.33 and 81,023.22

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Solution

The fourth proportional to 141,433.02, 195,177.33 and 81,023.22 is: 111,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,433.02 : 195,177.33 = 81,023.22 : x
  2. Step 2: Convert to fraction form
    141,433.02/195,177.33 = 81,023.22/x
  3. Step 3: Cross multiply
    141,433.02x = 195,177.33 × 81,023.22
  4. Step 4: Simplify right side
    141,433.02x = 15,813,895,747.60
  5. Step 5: Solve for x
    x = 15,813,895,747.60/141,433.02
  6. Step 6: Final answer
    x = 111,811.91

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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.