Home / 100,120.14-150,156.54-36,905.96

Finding the Fourth Proportional to 100,120.14, 150,156.54 and 36,905.96

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Solution

The fourth proportional to 100,120.14, 150,156.54 and 36,905.96 is: 55,350.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,120.14 : 150,156.54 = 36,905.96 : x
  2. Step 2: Convert to fraction form
    100,120.14/150,156.54 = 36,905.96/x
  3. Step 3: Cross multiply
    100,120.14x = 150,156.54 × 36,905.96
  4. Step 4: Simplify right side
    100,120.14x = 5,541,671,634.37
  5. Step 5: Solve for x
    x = 5,541,671,634.37/100,120.14
  6. Step 6: Final answer
    x = 55,350.22

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1.5x scale

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.