Home / 156,144.75-234,223.61-45,336.75

Finding the Fourth Proportional to 156,144.75, 234,223.61 and 45,336.75

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Solution

The fourth proportional to 156,144.75, 234,223.61 and 45,336.75 is: 68,007.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,144.75 : 234,223.61 = 45,336.75 : x
  2. Step 2: Convert to fraction form
    156,144.75/234,223.61 = 45,336.75/x
  3. Step 3: Cross multiply
    156,144.75x = 234,223.61 × 45,336.75
  4. Step 4: Simplify right side
    156,144.75x = 10,618,937,023.98
  5. Step 5: Solve for x
    x = 10,618,937,023.98/156,144.75
  6. Step 6: Final answer
    x = 68,007.01

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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.