Home / 236,890.17-355,581.36-137,245.05

Finding the Fourth Proportional to 236,890.17, 355,581.36 and 137,245.05

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Solution

The fourth proportional to 236,890.17, 355,581.36 and 137,245.05 is: 206,010.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,890.17 : 355,581.36 = 137,245.05 : x
  2. Step 2: Convert to fraction form
    236,890.17/355,581.36 = 137,245.05/x
  3. Step 3: Cross multiply
    236,890.17x = 355,581.36 × 137,245.05
  4. Step 4: Simplify right side
    236,890.17x = 48,801,781,532.27
  5. Step 5: Solve for x
    x = 48,801,781,532.27/236,890.17
  6. Step 6: Final answer
    x = 206,010.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.