Home / 129,105.48-178,115.60-95,194.22

Finding the Fourth Proportional to 129,105.48, 178,115.60 and 95,194.22

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Solution

The fourth proportional to 129,105.48, 178,115.60 and 95,194.22 is: 131,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,105.48 : 178,115.60 = 95,194.22 : x
  2. Step 2: Convert to fraction form
    129,105.48/178,115.60 = 95,194.22/x
  3. Step 3: Cross multiply
    129,105.48x = 178,115.60 × 95,194.22
  4. Step 4: Simplify right side
    129,105.48x = 16,955,574,245.28
  5. Step 5: Solve for x
    x = 16,955,574,245.28/129,105.48
  6. Step 6: Final answer
    x = 131,331.17

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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.