Home / 156,353.09-234,529.83-109,813.73

Finding the Fourth Proportional to 156,353.09, 234,529.83 and 109,813.73

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Solution

The fourth proportional to 156,353.09, 234,529.83 and 109,813.73 is: 164,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,353.09 : 234,529.83 = 109,813.73 : x
  2. Step 2: Convert to fraction form
    156,353.09/234,529.83 = 109,813.73/x
  3. Step 3: Cross multiply
    156,353.09x = 234,529.83 × 109,813.73
  4. Step 4: Simplify right side
    156,353.09x = 25,754,594,255.92
  5. Step 5: Solve for x
    x = 25,754,594,255.92/156,353.09
  6. Step 6: Final answer
    x = 164,720.73

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1.5x scale

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.