Home / 146,503.20-219,171.60-126,998.40

Finding the Fourth Proportional to 146,503.20, 219,171.60 and 126,998.40

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Solution

The fourth proportional to 146,503.20, 219,171.60 and 126,998.40 is: 189,992.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,503.20 : 219,171.60 = 126,998.40 : x
  2. Step 2: Convert to fraction form
    146,503.20/219,171.60 = 126,998.40/x
  3. Step 3: Cross multiply
    146,503.20x = 219,171.60 × 126,998.40
  4. Step 4: Simplify right side
    146,503.20x = 27,834,442,525.44
  5. Step 5: Solve for x
    x = 27,834,442,525.44/146,503.20
  6. Step 6: Final answer
    x = 189,992.04

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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.