Home / 199,177.32-274,861.14-108,533.88

Finding the Fourth Proportional to 199,177.32, 274,861.14 and 108,533.88

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Solution

The fourth proportional to 199,177.32, 274,861.14 and 108,533.88 is: 149,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,177.32 : 274,861.14 = 108,533.88 : x
  2. Step 2: Convert to fraction form
    199,177.32/274,861.14 = 108,533.88/x
  3. Step 3: Cross multiply
    199,177.32x = 274,861.14 × 108,533.88
  4. Step 4: Simplify right side
    199,177.32x = 29,831,745,985.42
  5. Step 5: Solve for x
    x = 29,831,745,985.42/199,177.32
  6. Step 6: Final answer
    x = 149,774.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.