Home / 219,105.27-328,793.99-140,276.07

Finding the Fourth Proportional to 219,105.27, 328,793.99 and 140,276.07

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Solution

The fourth proportional to 219,105.27, 328,793.99 and 140,276.07 is: 210,501.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,105.27 : 328,793.99 = 140,276.07 : x
  2. Step 2: Convert to fraction form
    219,105.27/328,793.99 = 140,276.07/x
  3. Step 3: Cross multiply
    219,105.27x = 328,793.99 × 140,276.07
  4. Step 4: Simplify right side
    219,105.27x = 46,121,928,055.44
  5. Step 5: Solve for x
    x = 46,121,928,055.44/219,105.27
  6. Step 6: Final answer
    x = 210,501.23

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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.