Home / 189,546.13-261,587.44-108,998.92

Finding the Fourth Proportional to 189,546.13, 261,587.44 and 108,998.92

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Solution

The fourth proportional to 189,546.13, 261,587.44 and 108,998.92 is: 150,426.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,546.13 : 261,587.44 = 108,998.92 : x
  2. Step 2: Convert to fraction form
    189,546.13/261,587.44 = 108,998.92/x
  3. Step 3: Cross multiply
    189,546.13x = 261,587.44 × 108,998.92
  4. Step 4: Simplify right side
    189,546.13x = 28,512,748,445.56
  5. Step 5: Solve for x
    x = 28,512,748,445.56/189,546.13
  6. Step 6: Final answer
    x = 150,426.43

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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.