Home / 543,748.56-815,631.06-188,773.86

Finding the Fourth Proportional to 543,748.56, 815,631.06 and 188,773.86

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Solution

The fourth proportional to 543,748.56, 815,631.06 and 188,773.86 is: 283,163.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,748.56 : 815,631.06 = 188,773.86 : x
  2. Step 2: Convert to fraction form
    543,748.56/815,631.06 = 188,773.86/x
  3. Step 3: Cross multiply
    543,748.56x = 815,631.06 × 188,773.86
  4. Step 4: Simplify right side
    543,748.56x = 153,969,823,532.09
  5. Step 5: Solve for x
    x = 153,969,823,532.09/543,748.56
  6. Step 6: Final answer
    x = 283,163.64

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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.