Home / 293,984.79-440,976.32-80,752.90

Finding the Fourth Proportional to 293,984.79, 440,976.32 and 80,752.90

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Solution

The fourth proportional to 293,984.79, 440,976.32 and 80,752.90 is: 121,129.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,984.79 : 440,976.32 = 80,752.90 : x
  2. Step 2: Convert to fraction form
    293,984.79/440,976.32 = 80,752.90/x
  3. Step 3: Cross multiply
    293,984.79x = 440,976.32 × 80,752.90
  4. Step 4: Simplify right side
    293,984.79x = 35,610,117,773.77
  5. Step 5: Solve for x
    x = 35,610,117,773.77/293,984.79
  6. Step 6: Final answer
    x = 121,129.12

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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.