Home / 101,536.96-140,194.92-81,504.04

Finding the Fourth Proportional to 101,536.96, 140,194.92 and 81,504.04

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Solution

The fourth proportional to 101,536.96, 140,194.92 and 81,504.04 is: 112,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,536.96 : 140,194.92 = 81,504.04 : x
  2. Step 2: Convert to fraction form
    101,536.96/140,194.92 = 81,504.04/x
  3. Step 3: Cross multiply
    101,536.96x = 140,194.92 × 81,504.04
  4. Step 4: Simplify right side
    101,536.96x = 11,426,452,367.48
  5. Step 5: Solve for x
    x = 11,426,452,367.48/101,536.96
  6. Step 6: Final answer
    x = 112,534.91

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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.