Home / 351,600.87-527,359.41-91,921.35

Finding the Fourth Proportional to 351,600.87, 527,359.41 and 91,921.35

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Solution

The fourth proportional to 351,600.87, 527,359.41 and 91,921.35 is: 137,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,600.87 : 527,359.41 = 91,921.35 : x
  2. Step 2: Convert to fraction form
    351,600.87/527,359.41 = 91,921.35/x
  3. Step 3: Cross multiply
    351,600.87x = 527,359.41 × 91,921.35
  4. Step 4: Simplify right side
    351,600.87x = 48,475,588,902.40
  5. Step 5: Solve for x
    x = 48,475,588,902.40/351,600.87
  6. Step 6: Final answer
    x = 137,871.07

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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.