Home / 238,585.88-357,869.48-80,814.33

Finding the Fourth Proportional to 238,585.88, 357,869.48 and 80,814.33

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Solution

The fourth proportional to 238,585.88, 357,869.48 and 80,814.33 is: 121,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,585.88 : 357,869.48 = 80,814.33 : x
  2. Step 2: Convert to fraction form
    238,585.88/357,869.48 = 80,814.33/x
  3. Step 3: Cross multiply
    238,585.88x = 357,869.48 × 80,814.33
  4. Step 4: Simplify right side
    238,585.88x = 28,920,981,849.58
  5. Step 5: Solve for x
    x = 28,920,981,849.58/238,585.88
  6. Step 6: Final answer
    x = 121,218.33

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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.