Home / 196,581.52-271,282.50-107,157.52

Finding the Fourth Proportional to 196,581.52, 271,282.50 and 107,157.52

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Solution

The fourth proportional to 196,581.52, 271,282.50 and 107,157.52 is: 147,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,581.52 : 271,282.50 = 107,157.52 : x
  2. Step 2: Convert to fraction form
    196,581.52/271,282.50 = 107,157.52/x
  3. Step 3: Cross multiply
    196,581.52x = 271,282.50 × 107,157.52
  4. Step 4: Simplify right side
    196,581.52x = 29,069,959,919.40
  5. Step 5: Solve for x
    x = 29,069,959,919.40/196,581.52
  6. Step 6: Final answer
    x = 147,877.38

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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.