Home / 543,744.16-815,624.44-188,769.45

Finding the Fourth Proportional to 543,744.16, 815,624.44 and 188,769.45

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Solution

The fourth proportional to 543,744.16, 815,624.44 and 188,769.45 is: 283,157.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,744.16 : 815,624.44 = 188,769.45 : x
  2. Step 2: Convert to fraction form
    543,744.16/815,624.44 = 188,769.45/x
  3. Step 3: Cross multiply
    543,744.16x = 815,624.44 × 188,769.45
  4. Step 4: Simplify right side
    543,744.16x = 153,964,979,532.03
  5. Step 5: Solve for x
    x = 153,964,979,532.03/543,744.16
  6. Step 6: Final answer
    x = 283,157.03

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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.