Home / 330,320.22-495,305.37-130,632.54

Finding the Fourth Proportional to 330,320.22, 495,305.37 and 130,632.54

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Solution

The fourth proportional to 330,320.22, 495,305.37 and 130,632.54 is: 195,879.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,320.22 : 495,305.37 = 130,632.54 : x
  2. Step 2: Convert to fraction form
    330,320.22/495,305.37 = 130,632.54/x
  3. Step 3: Cross multiply
    330,320.22x = 495,305.37 × 130,632.54
  4. Step 4: Simplify right side
    330,320.22x = 64,702,998,558.74
  5. Step 5: Solve for x
    x = 64,702,998,558.74/330,320.22
  6. Step 6: Final answer
    x = 195,879.62

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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.