Home / 130,952.52-196,514.82-71,829.72

Finding the Fourth Proportional to 130,952.52, 196,514.82 and 71,829.72

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Solution

The fourth proportional to 130,952.52, 196,514.82 and 71,829.72 is: 107,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,952.52 : 196,514.82 = 71,829.72 : x
  2. Step 2: Convert to fraction form
    130,952.52/196,514.82 = 71,829.72/x
  3. Step 3: Cross multiply
    130,952.52x = 196,514.82 × 71,829.72
  4. Step 4: Simplify right side
    130,952.52x = 14,115,604,496.45
  5. Step 5: Solve for x
    x = 14,115,604,496.45/130,952.52
  6. Step 6: Final answer
    x = 107,791.77

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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.