Home / 101,146.24-151,596.20-71,572.64

Finding the Fourth Proportional to 101,146.24, 151,596.20 and 71,572.64

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Solution

The fourth proportional to 101,146.24, 151,596.20 and 71,572.64 is: 107,271.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,146.24 : 151,596.20 = 71,572.64 : x
  2. Step 2: Convert to fraction form
    101,146.24/151,596.20 = 71,572.64/x
  3. Step 3: Cross multiply
    101,146.24x = 151,596.20 × 71,572.64
  4. Step 4: Simplify right side
    101,146.24x = 10,850,140,247.97
  5. Step 5: Solve for x
    x = 10,850,140,247.97/101,146.24
  6. Step 6: Final answer
    x = 107,271.81

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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.