Home / 351,907.20-527,749.31-127,237.91

Finding the Fourth Proportional to 351,907.20, 527,749.31 and 127,237.91

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Solution

The fourth proportional to 351,907.20, 527,749.31 and 127,237.91 is: 190,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,907.20 : 527,749.31 = 127,237.91 : x
  2. Step 2: Convert to fraction form
    351,907.20/527,749.31 = 127,237.91/x
  3. Step 3: Cross multiply
    351,907.20x = 527,749.31 × 127,237.91
  4. Step 4: Simplify right side
    351,907.20x = 67,149,715,933.41
  5. Step 5: Solve for x
    x = 67,149,715,933.41/351,907.20
  6. Step 6: Final answer
    x = 190,816.54

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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.