Home / 156,408.52-234,615.08-108,329.72

Finding the Fourth Proportional to 156,408.52, 234,615.08 and 108,329.72

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Solution

The fourth proportional to 156,408.52, 234,615.08 and 108,329.72 is: 162,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,408.52 : 234,615.08 = 108,329.72 : x
  2. Step 2: Convert to fraction form
    156,408.52/234,615.08 = 108,329.72/x
  3. Step 3: Cross multiply
    156,408.52x = 234,615.08 × 108,329.72
  4. Step 4: Simplify right side
    156,408.52x = 25,415,784,209.45
  5. Step 5: Solve for x
    x = 25,415,784,209.45/156,408.52
  6. Step 6: Final answer
    x = 162,496.16

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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.