Home / 236,821.06-355,371.70-87,166.46

Finding the Fourth Proportional to 236,821.06, 355,371.70 and 87,166.46

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Solution

The fourth proportional to 236,821.06, 355,371.70 and 87,166.46 is: 130,801.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,821.06 : 355,371.70 = 87,166.46 : x
  2. Step 2: Convert to fraction form
    236,821.06/355,371.70 = 87,166.46/x
  3. Step 3: Cross multiply
    236,821.06x = 355,371.70 × 87,166.46
  4. Step 4: Simplify right side
    236,821.06x = 30,976,493,073.18
  5. Step 5: Solve for x
    x = 30,976,493,073.18/236,821.06
  6. Step 6: Final answer
    x = 130,801.26

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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.