Home / 293,939.43-440,829.05-80,656.77

Finding the Fourth Proportional to 293,939.43, 440,829.05 and 80,656.77

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Solution

The fourth proportional to 293,939.43, 440,829.05 and 80,656.77 is: 120,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,939.43 : 440,829.05 = 80,656.77 : x
  2. Step 2: Convert to fraction form
    293,939.43/440,829.05 = 80,656.77/x
  3. Step 3: Cross multiply
    293,939.43x = 440,829.05 × 80,656.77
  4. Step 4: Simplify right side
    293,939.43x = 35,555,849,149.92
  5. Step 5: Solve for x
    x = 35,555,849,149.92/293,939.43
  6. Step 6: Final answer
    x = 120,963.18

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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.