Home / 156,004.20-233,660.70-120,829.80

Finding the Fourth Proportional to 156,004.20, 233,660.70 and 120,829.80

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Solution

The fourth proportional to 156,004.20, 233,660.70 and 120,829.80 is: 180,977.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,004.20 : 233,660.70 = 120,829.80 : x
  2. Step 2: Convert to fraction form
    156,004.20/233,660.70 = 120,829.80/x
  3. Step 3: Cross multiply
    156,004.20x = 233,660.70 × 120,829.80
  4. Step 4: Simplify right side
    156,004.20x = 28,233,175,648.86
  5. Step 5: Solve for x
    x = 28,233,175,648.86/156,004.20
  6. Step 6: Final answer
    x = 180,977.02

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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.