Home / 141,704.19-195,545.48-81,231.48

Finding the Fourth Proportional to 141,704.19, 195,545.48 and 81,231.48

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Solution

The fourth proportional to 141,704.19, 195,545.48 and 81,231.48 is: 112,095.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,704.19 : 195,545.48 = 81,231.48 : x
  2. Step 2: Convert to fraction form
    141,704.19/195,545.48 = 81,231.48/x
  3. Step 3: Cross multiply
    141,704.19x = 195,545.48 × 81,231.48
  4. Step 4: Simplify right side
    141,704.19x = 15,884,448,341.55
  5. Step 5: Solve for x
    x = 15,884,448,341.55/141,704.19
  6. Step 6: Final answer
    x = 112,095.83

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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.