Home / 100,997.30-151,460.52-55,395.84

Finding the Fourth Proportional to 100,997.30, 151,460.52 and 55,395.84

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Solution

The fourth proportional to 100,997.30, 151,460.52 and 55,395.84 is: 83,074.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,997.30 : 151,460.52 = 55,395.84 : x
  2. Step 2: Convert to fraction form
    100,997.30/151,460.52 = 55,395.84/x
  3. Step 3: Cross multiply
    100,997.30x = 151,460.52 × 55,395.84
  4. Step 4: Simplify right side
    100,997.30x = 8,390,282,732.24
  5. Step 5: Solve for x
    x = 8,390,282,732.24/100,997.30
  6. Step 6: Final answer
    x = 83,074.33

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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.