Home / 345,367.05-517,615.45-185,045.37

Finding the Fourth Proportional to 345,367.05, 517,615.45 and 185,045.37

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Solution

The fourth proportional to 345,367.05, 517,615.45 and 185,045.37 is: 277,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,367.05 : 517,615.45 = 185,045.37 : x
  2. Step 2: Convert to fraction form
    345,367.05/517,615.45 = 185,045.37/x
  3. Step 3: Cross multiply
    345,367.05x = 517,615.45 × 185,045.37
  4. Step 4: Simplify right side
    345,367.05x = 95,782,340,059.30
  5. Step 5: Solve for x
    x = 95,782,340,059.30/345,367.05
  6. Step 6: Final answer
    x = 277,334.91

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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.