Home / 221,036.25-331,449.42-101,057.60

Finding the Fourth Proportional to 221,036.25, 331,449.42 and 101,057.60

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Solution

The fourth proportional to 221,036.25, 331,449.42 and 101,057.60 is: 151,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,036.25 : 331,449.42 = 101,057.60 : x
  2. Step 2: Convert to fraction form
    221,036.25/331,449.42 = 101,057.60/x
  3. Step 3: Cross multiply
    221,036.25x = 331,449.42 × 101,057.60
  4. Step 4: Simplify right side
    221,036.25x = 33,495,481,564.81
  5. Step 5: Solve for x
    x = 33,495,481,564.81/221,036.25
  6. Step 6: Final answer
    x = 151,538.41

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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.