Home / 141,617.28-195,408.96-81,176.80

Finding the Fourth Proportional to 141,617.28, 195,408.96 and 81,176.80

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Solution

The fourth proportional to 141,617.28, 195,408.96 and 81,176.80 is: 112,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,617.28 : 195,408.96 = 81,176.80 : x
  2. Step 2: Convert to fraction form
    141,617.28/195,408.96 = 81,176.80/x
  3. Step 3: Cross multiply
    141,617.28x = 195,408.96 × 81,176.80
  4. Step 4: Simplify right side
    141,617.28x = 15,862,674,064.13
  5. Step 5: Solve for x
    x = 15,862,674,064.13/141,617.28
  6. Step 6: Final answer
    x = 112,010.87

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1.5x scale

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.