Home / 321,085.89-481,633.59-152,623.56

Finding the Fourth Proportional to 321,085.89, 481,633.59 and 152,623.56

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Solution

The fourth proportional to 321,085.89, 481,633.59 and 152,623.56 is: 228,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,085.89 : 481,633.59 = 152,623.56 : x
  2. Step 2: Convert to fraction form
    321,085.89/481,633.59 = 152,623.56/x
  3. Step 3: Cross multiply
    321,085.89x = 481,633.59 × 152,623.56
  4. Step 4: Simplify right side
    321,085.89x = 73,508,633,121.38
  5. Step 5: Solve for x
    x = 73,508,633,121.38/321,085.89
  6. Step 6: Final answer
    x = 228,937.60

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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.