Home / 148,018.20-221,379.30-132,336.60

Finding the Fourth Proportional to 148,018.20, 221,379.30 and 132,336.60

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Solution

The fourth proportional to 148,018.20, 221,379.30 and 132,336.60 is: 197,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,018.20 : 221,379.30 = 132,336.60 : x
  2. Step 2: Convert to fraction form
    148,018.20/221,379.30 = 132,336.60/x
  3. Step 3: Cross multiply
    148,018.20x = 221,379.30 × 132,336.60
  4. Step 4: Simplify right side
    148,018.20x = 29,296,583,872.38
  5. Step 5: Solve for x
    x = 29,296,583,872.38/148,018.20
  6. Step 6: Final answer
    x = 197,925.55

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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.