Home / 236,862.20-355,494.90-96,721.40

Finding the Fourth Proportional to 236,862.20, 355,494.90 and 96,721.40

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Solution

The fourth proportional to 236,862.20, 355,494.90 and 96,721.40 is: 145,164.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,862.20 : 355,494.90 = 96,721.40 : x
  2. Step 2: Convert to fraction form
    236,862.20/355,494.90 = 96,721.40/x
  3. Step 3: Cross multiply
    236,862.20x = 355,494.90 × 96,721.40
  4. Step 4: Simplify right side
    236,862.20x = 34,383,964,420.86
  5. Step 5: Solve for x
    x = 34,383,964,420.86/236,862.20
  6. Step 6: Final answer
    x = 145,164.42

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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.