Home / 146,513.20-219,769.80-136,015.60

Finding the Fourth Proportional to 146,513.20, 219,769.80 and 136,015.60

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Solution

The fourth proportional to 146,513.20, 219,769.80 and 136,015.60 is: 204,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,513.20 : 219,769.80 = 136,015.60 : x
  2. Step 2: Convert to fraction form
    146,513.20/219,769.80 = 136,015.60/x
  3. Step 3: Cross multiply
    146,513.20x = 219,769.80 × 136,015.60
  4. Step 4: Simplify right side
    146,513.20x = 29,892,121,208.88
  5. Step 5: Solve for x
    x = 29,892,121,208.88/146,513.20
  6. Step 6: Final answer
    x = 204,023.40

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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.