Home / 316,546.43-436,834.09-173,306.49

Finding the Fourth Proportional to 316,546.43, 436,834.09 and 173,306.49

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Solution

The fourth proportional to 316,546.43, 436,834.09 and 173,306.49 is: 239,162.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,546.43 : 436,834.09 = 173,306.49 : x
  2. Step 2: Convert to fraction form
    316,546.43/436,834.09 = 173,306.49/x
  3. Step 3: Cross multiply
    316,546.43x = 436,834.09 × 173,306.49
  4. Step 4: Simplify right side
    316,546.43x = 75,706,180,941.32
  5. Step 5: Solve for x
    x = 75,706,180,941.32/316,546.43
  6. Step 6: Final answer
    x = 239,162.96

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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.