Home / 156,326.13-234,489.33-109,786.77

Finding the Fourth Proportional to 156,326.13, 234,489.33 and 109,786.77

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Solution

The fourth proportional to 156,326.13, 234,489.33 and 109,786.77 is: 164,680.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,326.13 : 234,489.33 = 109,786.77 : x
  2. Step 2: Convert to fraction form
    156,326.13/234,489.33 = 109,786.77/x
  3. Step 3: Cross multiply
    156,326.13x = 234,489.33 × 109,786.77
  4. Step 4: Simplify right side
    156,326.13x = 25,743,826,140.16
  5. Step 5: Solve for x
    x = 25,743,826,140.16/156,326.13
  6. Step 6: Final answer
    x = 164,680.25

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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.