Home / 156,778.20-235,469.70-134,339.58

Finding the Fourth Proportional to 156,778.20, 235,469.70 and 134,339.58

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Solution

The fourth proportional to 156,778.20, 235,469.70 and 134,339.58 is: 201,768.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,778.20 : 235,469.70 = 134,339.58 : x
  2. Step 2: Convert to fraction form
    156,778.20/235,469.70 = 134,339.58/x
  3. Step 3: Cross multiply
    156,778.20x = 235,469.70 × 134,339.58
  4. Step 4: Simplify right side
    156,778.20x = 31,632,900,600.73
  5. Step 5: Solve for x
    x = 31,632,900,600.73/156,778.20
  6. Step 6: Final answer
    x = 201,768.49

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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.