Home / 196,185.26-294,275.82-129,921.86

Finding the Fourth Proportional to 196,185.26, 294,275.82 and 129,921.86

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Solution

The fourth proportional to 196,185.26, 294,275.82 and 129,921.86 is: 194,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,185.26 : 294,275.82 = 129,921.86 : x
  2. Step 2: Convert to fraction form
    196,185.26/294,275.82 = 129,921.86/x
  3. Step 3: Cross multiply
    196,185.26x = 294,275.82 × 129,921.86
  4. Step 4: Simplify right side
    196,185.26x = 38,232,861,887.43
  5. Step 5: Solve for x
    x = 38,232,861,887.43/196,185.26
  6. Step 6: Final answer
    x = 194,881.42

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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.