Home / 156,174.36-215,404.14-101,738.52

Finding the Fourth Proportional to 156,174.36, 215,404.14 and 101,738.52

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Solution

The fourth proportional to 156,174.36, 215,404.14 and 101,738.52 is: 140,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,174.36 : 215,404.14 = 101,738.52 : x
  2. Step 2: Convert to fraction form
    156,174.36/215,404.14 = 101,738.52/x
  3. Step 3: Cross multiply
    156,174.36x = 215,404.14 × 101,738.52
  4. Step 4: Simplify right side
    156,174.36x = 21,914,898,405.47
  5. Step 5: Solve for x
    x = 21,914,898,405.47/156,174.36
  6. Step 6: Final answer
    x = 140,323.28

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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.