Home / 141,519.03-195,324.18-81,130.23

Finding the Fourth Proportional to 141,519.03, 195,324.18 and 81,130.23

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Solution

The fourth proportional to 141,519.03, 195,324.18 and 81,130.23 is: 111,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,519.03 : 195,324.18 = 81,130.23 : x
  2. Step 2: Convert to fraction form
    141,519.03/195,324.18 = 81,130.23/x
  3. Step 3: Cross multiply
    141,519.03x = 195,324.18 × 81,130.23
  4. Step 4: Simplify right side
    141,519.03x = 15,846,695,647.96
  5. Step 5: Solve for x
    x = 15,846,695,647.96/141,519.03
  6. Step 6: Final answer
    x = 111,975.72

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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.