Home / 141,519.03-195,324.17-81,130.22

Finding the Fourth Proportional to 141,519.03, 195,324.17 and 81,130.22

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Solution

The fourth proportional to 141,519.03, 195,324.17 and 81,130.22 is: 111,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,519.03 : 195,324.17 = 81,130.22 : x
  2. Step 2: Convert to fraction form
    141,519.03/195,324.17 = 81,130.22/x
  3. Step 3: Cross multiply
    141,519.03x = 195,324.17 × 81,130.22
  4. Step 4: Simplify right side
    141,519.03x = 15,846,692,883.42
  5. Step 5: Solve for x
    x = 15,846,692,883.42/141,519.03
  6. Step 6: Final answer
    x = 111,975.70

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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.