Home / 196,580.96-271,282.48-111,702.64

Finding the Fourth Proportional to 196,580.96, 271,282.48 and 111,702.64

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Solution

The fourth proportional to 196,580.96, 271,282.48 and 111,702.64 is: 154,150.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,580.96 : 271,282.48 = 111,702.64 : x
  2. Step 2: Convert to fraction form
    196,580.96/271,282.48 = 111,702.64/x
  3. Step 3: Cross multiply
    196,580.96x = 271,282.48 × 111,702.64
  4. Step 4: Simplify right side
    196,580.96x = 30,302,969,201.75
  5. Step 5: Solve for x
    x = 30,302,969,201.75/196,580.96
  6. Step 6: Final answer
    x = 154,150.07

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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.