Home / 141,755.32-195,622.80-78,092.92

Finding the Fourth Proportional to 141,755.32, 195,622.80 and 78,092.92

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Solution

The fourth proportional to 141,755.32, 195,622.80 and 78,092.92 is: 107,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,755.32 : 195,622.80 = 78,092.92 : x
  2. Step 2: Convert to fraction form
    141,755.32/195,622.80 = 78,092.92/x
  3. Step 3: Cross multiply
    141,755.32x = 195,622.80 × 78,092.92
  4. Step 4: Simplify right side
    141,755.32x = 15,276,755,670.58
  5. Step 5: Solve for x
    x = 15,276,755,670.58/141,755.32
  6. Step 6: Final answer
    x = 107,768.48

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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.