Home / 316,456.17-436,720.61-173,216.33

Finding the Fourth Proportional to 316,456.17, 436,720.61 and 173,216.33

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Solution

The fourth proportional to 316,456.17, 436,720.61 and 173,216.33 is: 239,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,456.17 : 436,720.61 = 173,216.33 : x
  2. Step 2: Convert to fraction form
    316,456.17/436,720.61 = 173,216.33/x
  3. Step 3: Cross multiply
    316,456.17x = 436,720.61 × 173,216.33
  4. Step 4: Simplify right side
    316,456.17x = 75,647,139,115.96
  5. Step 5: Solve for x
    x = 75,647,139,115.96/316,456.17
  6. Step 6: Final answer
    x = 239,044.61

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1.5x scale

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.