Home / 141,677.13-195,514.43-78,014.77

Finding the Fourth Proportional to 141,677.13, 195,514.43 and 78,014.77

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Solution

The fourth proportional to 141,677.13, 195,514.43 and 78,014.77 is: 107,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,677.13 : 195,514.43 = 78,014.77 : x
  2. Step 2: Convert to fraction form
    141,677.13/195,514.43 = 78,014.77/x
  3. Step 3: Cross multiply
    141,677.13x = 195,514.43 × 78,014.77
  4. Step 4: Simplify right side
    141,677.13x = 15,253,013,288.13
  5. Step 5: Solve for x
    x = 15,253,013,288.13/141,677.13
  6. Step 6: Final answer
    x = 107,660.38

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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.