Home / 196,513.20-294,514.65-91,107.90

Finding the Fourth Proportional to 196,513.20, 294,514.65 and 91,107.90

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Solution

The fourth proportional to 196,513.20, 294,514.65 and 91,107.90 is: 136,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,513.20 : 294,514.65 = 91,107.90 : x
  2. Step 2: Convert to fraction form
    196,513.20/294,514.65 = 91,107.90/x
  3. Step 3: Cross multiply
    196,513.20x = 294,514.65 × 91,107.90
  4. Step 4: Simplify right side
    196,513.20x = 26,832,611,280.74
  5. Step 5: Solve for x
    x = 26,832,611,280.74/196,513.20
  6. Step 6: Final answer
    x = 136,543.56

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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.