Home / 141,736.08-195,579-80,478.12

Finding the Fourth Proportional to 141,736.08, 195,579 and 80,478.12

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Solution

The fourth proportional to 141,736.08, 195,579 and 80,478.12 is: 111,050.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,736.08 : 195,579 = 80,478.12 : x
  2. Step 2: Convert to fraction form
    141,736.08/195,579 = 80,478.12/x
  3. Step 3: Cross multiply
    141,736.08x = 195,579 × 80,478.12
  4. Step 4: Simplify right side
    141,736.08x = 15,739,830,231.48
  5. Step 5: Solve for x
    x = 15,739,830,231.48/141,736.08
  6. Step 6: Final answer
    x = 111,050.27

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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.