Home / 100,837.10-151,220.38-29,740.83

Finding the Fourth Proportional to 100,837.10, 151,220.38 and 29,740.83

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Solution

The fourth proportional to 100,837.10, 151,220.38 and 29,740.83 is: 44,600.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,837.10 : 151,220.38 = 29,740.83 : x
  2. Step 2: Convert to fraction form
    100,837.10/151,220.38 = 29,740.83/x
  3. Step 3: Cross multiply
    100,837.10x = 151,220.38 × 29,740.83
  4. Step 4: Simplify right side
    100,837.10x = 4,497,419,614.12
  5. Step 5: Solve for x
    x = 4,497,419,614.12/100,837.10
  6. Step 6: Final answer
    x = 44,600.84

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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.