Home / 141,331.44-195,036.75-80,901.75

Finding the Fourth Proportional to 141,331.44, 195,036.75 and 80,901.75

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Solution

The fourth proportional to 141,331.44, 195,036.75 and 80,901.75 is: 111,644.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,331.44 : 195,036.75 = 80,901.75 : x
  2. Step 2: Convert to fraction form
    141,331.44/195,036.75 = 80,901.75/x
  3. Step 3: Cross multiply
    141,331.44x = 195,036.75 × 80,901.75
  4. Step 4: Simplify right side
    141,331.44x = 15,778,814,389.31
  5. Step 5: Solve for x
    x = 15,778,814,389.31/141,331.44
  6. Step 6: Final answer
    x = 111,644.05

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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.