Home / 543,744.06-815,624.30-188,769.36

Finding the Fourth Proportional to 543,744.06, 815,624.30 and 188,769.36

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Solution

The fourth proportional to 543,744.06, 815,624.30 and 188,769.36 is: 283,156.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,744.06 : 815,624.30 = 188,769.36 : x
  2. Step 2: Convert to fraction form
    543,744.06/815,624.30 = 188,769.36/x
  3. Step 3: Cross multiply
    543,744.06x = 815,624.30 × 188,769.36
  4. Step 4: Simplify right side
    543,744.06x = 153,964,876,521.54
  5. Step 5: Solve for x
    x = 153,964,876,521.54/543,744.06
  6. Step 6: Final answer
    x = 283,156.89

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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.