Home / 543,744.10-815,624.35-188,769.39

Finding the Fourth Proportional to 543,744.10, 815,624.35 and 188,769.39

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Solution

The fourth proportional to 543,744.10, 815,624.35 and 188,769.39 is: 283,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,744.10 : 815,624.35 = 188,769.39 : x
  2. Step 2: Convert to fraction form
    543,744.10/815,624.35 = 188,769.39/x
  3. Step 3: Cross multiply
    543,744.10x = 815,624.35 × 188,769.39
  4. Step 4: Simplify right side
    543,744.10x = 153,964,910,074.80
  5. Step 5: Solve for x
    x = 153,964,910,074.80/543,744.10
  6. Step 6: Final answer
    x = 283,156.93

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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.