Home / 228,976.56-343,496.13-79,176.63

Finding the Fourth Proportional to 228,976.56, 343,496.13 and 79,176.63

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Solution

The fourth proportional to 228,976.56, 343,496.13 and 79,176.63 is: 118,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,976.56 : 343,496.13 = 79,176.63 : x
  2. Step 2: Convert to fraction form
    228,976.56/343,496.13 = 79,176.63/x
  3. Step 3: Cross multiply
    228,976.56x = 343,496.13 × 79,176.63
  4. Step 4: Simplify right side
    228,976.56x = 27,196,865,991.44
  5. Step 5: Solve for x
    x = 27,196,865,991.44/228,976.56
  6. Step 6: Final answer
    x = 118,775.76

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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.