Home / 156,145.11-215,484.15-95,749.03

Finding the Fourth Proportional to 156,145.11, 215,484.15 and 95,749.03

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Solution

The fourth proportional to 156,145.11, 215,484.15 and 95,749.03 is: 132,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,145.11 : 215,484.15 = 95,749.03 : x
  2. Step 2: Convert to fraction form
    156,145.11/215,484.15 = 95,749.03/x
  3. Step 3: Cross multiply
    156,145.11x = 215,484.15 × 95,749.03
  4. Step 4: Simplify right side
    156,145.11x = 20,632,398,342.87
  5. Step 5: Solve for x
    x = 20,632,398,342.87/156,145.11
  6. Step 6: Final answer
    x = 132,136.05

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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.