Home / 382,645.49-573,769.65-112,738.60

Finding the Fourth Proportional to 382,645.49, 573,769.65 and 112,738.60

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Solution

The fourth proportional to 382,645.49, 573,769.65 and 112,738.60 is: 169,049.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,645.49 : 573,769.65 = 112,738.60 : x
  2. Step 2: Convert to fraction form
    382,645.49/573,769.65 = 112,738.60/x
  3. Step 3: Cross multiply
    382,645.49x = 573,769.65 × 112,738.60
  4. Step 4: Simplify right side
    382,645.49x = 64,685,984,194.64
  5. Step 5: Solve for x
    x = 64,685,984,194.64/382,645.49
  6. Step 6: Final answer
    x = 169,049.38

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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.