Home / 141,790.56-195,669.34-80,536.33

Finding the Fourth Proportional to 141,790.56, 195,669.34 and 80,536.33

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Solution

The fourth proportional to 141,790.56, 195,669.34 and 80,536.33 is: 111,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,790.56 : 195,669.34 = 80,536.33 : x
  2. Step 2: Convert to fraction form
    141,790.56/195,669.34 = 80,536.33/x
  3. Step 3: Cross multiply
    141,790.56x = 195,669.34 × 80,536.33
  4. Step 4: Simplify right side
    141,790.56x = 15,758,490,537.12
  5. Step 5: Solve for x
    x = 15,758,490,537.12/141,790.56
  6. Step 6: Final answer
    x = 111,139.21

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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.