Home / 156,747.70-235,121.55-134,197.30

Finding the Fourth Proportional to 156,747.70, 235,121.55 and 134,197.30

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Solution

The fourth proportional to 156,747.70, 235,121.55 and 134,197.30 is: 201,295.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,747.70 : 235,121.55 = 134,197.30 : x
  2. Step 2: Convert to fraction form
    156,747.70/235,121.55 = 134,197.30/x
  3. Step 3: Cross multiply
    156,747.70x = 235,121.55 × 134,197.30
  4. Step 4: Simplify right side
    156,747.70x = 31,552,677,181.82
  5. Step 5: Solve for x
    x = 31,552,677,181.82/156,747.70
  6. Step 6: Final answer
    x = 201,295.95

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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.