Home / 113,984.30-171,268.05-101,153.90

Finding the Fourth Proportional to 113,984.30, 171,268.05 and 101,153.90

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Solution

The fourth proportional to 113,984.30, 171,268.05 and 101,153.90 is: 151,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,984.30 : 171,268.05 = 101,153.90 : x
  2. Step 2: Convert to fraction form
    113,984.30/171,268.05 = 101,153.90/x
  3. Step 3: Cross multiply
    113,984.30x = 171,268.05 × 101,153.90
  4. Step 4: Simplify right side
    113,984.30x = 17,324,431,202.90
  5. Step 5: Solve for x
    x = 17,324,431,202.90/113,984.30
  6. Step 6: Final answer
    x = 151,989.63

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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.