Home / 141,313.96-195,015.54-80,884.36

Finding the Fourth Proportional to 141,313.96, 195,015.54 and 80,884.36

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Solution

The fourth proportional to 141,313.96, 195,015.54 and 80,884.36 is: 111,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,313.96 : 195,015.54 = 80,884.36 : x
  2. Step 2: Convert to fraction form
    141,313.96/195,015.54 = 80,884.36/x
  3. Step 3: Cross multiply
    141,313.96x = 195,015.54 × 80,884.36
  4. Step 4: Simplify right side
    141,313.96x = 15,773,707,142.95
  5. Step 5: Solve for x
    x = 15,773,707,142.95/141,313.96
  6. Step 6: Final answer
    x = 111,621.72

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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.