Home / 126,638.62-175,560.48-119,897.26

Finding the Fourth Proportional to 126,638.62, 175,560.48 and 119,897.26

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Solution

The fourth proportional to 126,638.62, 175,560.48 and 119,897.26 is: 166,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,638.62 : 175,560.48 = 119,897.26 : x
  2. Step 2: Convert to fraction form
    126,638.62/175,560.48 = 119,897.26/x
  3. Step 3: Cross multiply
    126,638.62x = 175,560.48 × 119,897.26
  4. Step 4: Simplify right side
    126,638.62x = 21,049,220,516.28
  5. Step 5: Solve for x
    x = 21,049,220,516.28/126,638.62
  6. Step 6: Final answer
    x = 166,214.86

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.