Home / 236,023.66-353,720.20-86,123.04

Finding the Fourth Proportional to 236,023.66, 353,720.20 and 86,123.04

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Solution

The fourth proportional to 236,023.66, 353,720.20 and 86,123.04 is: 129,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,023.66 : 353,720.20 = 86,123.04 : x
  2. Step 2: Convert to fraction form
    236,023.66/353,720.20 = 86,123.04/x
  3. Step 3: Cross multiply
    236,023.66x = 353,720.20 × 86,123.04
  4. Step 4: Simplify right side
    236,023.66x = 30,463,458,933.41
  5. Step 5: Solve for x
    x = 30,463,458,933.41/236,023.66
  6. Step 6: Final answer
    x = 129,069.51

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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.