Home / 252,811.69-379,240.22-65,824.81

Finding the Fourth Proportional to 252,811.69, 379,240.22 and 65,824.81

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Solution

The fourth proportional to 252,811.69, 379,240.22 and 65,824.81 is: 98,743.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,811.69 : 379,240.22 = 65,824.81 : x
  2. Step 2: Convert to fraction form
    252,811.69/379,240.22 = 65,824.81/x
  3. Step 3: Cross multiply
    252,811.69x = 379,240.22 × 65,824.81
  4. Step 4: Simplify right side
    252,811.69x = 24,963,415,425.86
  5. Step 5: Solve for x
    x = 24,963,415,425.86/252,811.69
  6. Step 6: Final answer
    x = 98,743.12

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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.