Home / 101,201.10-151,558.65-54,350.70

Finding the Fourth Proportional to 101,201.10, 151,558.65 and 54,350.70

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Solution

The fourth proportional to 101,201.10, 151,558.65 and 54,350.70 is: 81,395.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,201.10 : 151,558.65 = 54,350.70 : x
  2. Step 2: Convert to fraction form
    101,201.10/151,558.65 = 54,350.70/x
  3. Step 3: Cross multiply
    101,201.10x = 151,558.65 × 54,350.70
  4. Step 4: Simplify right side
    101,201.10x = 8,237,318,718.56
  5. Step 5: Solve for x
    x = 8,237,318,718.56/101,201.10
  6. Step 6: Final answer
    x = 81,395.55

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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.