Home / 156,256.30-234,390.24-80,334.52

Finding the Fourth Proportional to 156,256.30, 234,390.24 and 80,334.52

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Solution

The fourth proportional to 156,256.30, 234,390.24 and 80,334.52 is: 120,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,256.30 : 234,390.24 = 80,334.52 : x
  2. Step 2: Convert to fraction form
    156,256.30/234,390.24 = 80,334.52/x
  3. Step 3: Cross multiply
    156,256.30x = 234,390.24 × 80,334.52
  4. Step 4: Simplify right side
    156,256.30x = 18,829,627,423.08
  5. Step 5: Solve for x
    x = 18,829,627,423.08/156,256.30
  6. Step 6: Final answer
    x = 120,504.76

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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.