Home / 156,135.08-215,470.37-95,739.01

Finding the Fourth Proportional to 156,135.08, 215,470.37 and 95,739.01

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Solution

The fourth proportional to 156,135.08, 215,470.37 and 95,739.01 is: 132,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,135.08 : 215,470.37 = 95,739.01 : x
  2. Step 2: Convert to fraction form
    156,135.08/215,470.37 = 95,739.01/x
  3. Step 3: Cross multiply
    156,135.08x = 215,470.37 × 95,739.01
  4. Step 4: Simplify right side
    156,135.08x = 20,628,919,608.81
  5. Step 5: Solve for x
    x = 20,628,919,608.81/156,135.08
  6. Step 6: Final answer
    x = 132,122.26

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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.