Home / 316,287.15-436,477.32-173,046.75

Finding the Fourth Proportional to 316,287.15, 436,477.32 and 173,046.75

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Solution

The fourth proportional to 316,287.15, 436,477.32 and 173,046.75 is: 238,805.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,287.15 : 436,477.32 = 173,046.75 : x
  2. Step 2: Convert to fraction form
    316,287.15/436,477.32 = 173,046.75/x
  3. Step 3: Cross multiply
    316,287.15x = 436,477.32 × 173,046.75
  4. Step 4: Simplify right side
    316,287.15x = 75,530,981,674.71
  5. Step 5: Solve for x
    x = 75,530,981,674.71/316,287.15
  6. Step 6: Final answer
    x = 238,805.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.