Home / 152,887.88-229,067.76-82,816.40

Finding the Fourth Proportional to 152,887.88, 229,067.76 and 82,816.40

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Solution

The fourth proportional to 152,887.88, 229,067.76 and 82,816.40 is: 124,081.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,887.88 : 229,067.76 = 82,816.40 : x
  2. Step 2: Convert to fraction form
    152,887.88/229,067.76 = 82,816.40/x
  3. Step 3: Cross multiply
    152,887.88x = 229,067.76 × 82,816.40
  4. Step 4: Simplify right side
    152,887.88x = 18,970,567,239.26
  5. Step 5: Solve for x
    x = 18,970,567,239.26/152,887.88
  6. Step 6: Final answer
    x = 124,081.56

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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.