Home / 100,221.19-150,331.64-41,056.96

Finding the Fourth Proportional to 100,221.19, 150,331.64 and 41,056.96

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Solution

The fourth proportional to 100,221.19, 150,331.64 and 41,056.96 is: 61,585.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,221.19 : 150,331.64 = 41,056.96 : x
  2. Step 2: Convert to fraction form
    100,221.19/150,331.64 = 41,056.96/x
  3. Step 3: Cross multiply
    100,221.19x = 150,331.64 × 41,056.96
  4. Step 4: Simplify right side
    100,221.19x = 6,172,159,378.56
  5. Step 5: Solve for x
    x = 6,172,159,378.56/100,221.19
  6. Step 6: Final answer
    x = 61,585.38

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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.