Home / 293,738.60-440,624.64-83,360

Finding the Fourth Proportional to 293,738.60, 440,624.64 and 83,360

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Solution

The fourth proportional to 293,738.60, 440,624.64 and 83,360 is: 125,044.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,738.60 : 440,624.64 = 83,360 : x
  2. Step 2: Convert to fraction form
    293,738.60/440,624.64 = 83,360/x
  3. Step 3: Cross multiply
    293,738.60x = 440,624.64 × 83,360
  4. Step 4: Simplify right side
    293,738.60x = 36,730,469,990.40
  5. Step 5: Solve for x
    x = 36,730,469,990.40/293,738.60
  6. Step 6: Final answer
    x = 125,044.75

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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.