Home / 201,350.10-301,679.55-131,193.30

Finding the Fourth Proportional to 201,350.10, 301,679.55 and 131,193.30

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Solution

The fourth proportional to 201,350.10, 301,679.55 and 131,193.30 is: 196,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,350.10 : 301,679.55 = 131,193.30 : x
  2. Step 2: Convert to fraction form
    201,350.10/301,679.55 = 131,193.30/x
  3. Step 3: Cross multiply
    201,350.10x = 301,679.55 × 131,193.30
  4. Step 4: Simplify right side
    201,350.10x = 39,578,335,707.02
  5. Step 5: Solve for x
    x = 39,578,335,707.02/201,350.10
  6. Step 6: Final answer
    x = 196,564.77

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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.