Home / 320,902.56-481,365-152,336.06

Finding the Fourth Proportional to 320,902.56, 481,365 and 152,336.06

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Solution

The fourth proportional to 320,902.56, 481,365 and 152,336.06 is: 228,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,902.56 : 481,365 = 152,336.06 : x
  2. Step 2: Convert to fraction form
    320,902.56/481,365 = 152,336.06/x
  3. Step 3: Cross multiply
    320,902.56x = 481,365 × 152,336.06
  4. Step 4: Simplify right side
    320,902.56x = 73,329,245,115.08
  5. Step 5: Solve for x
    x = 73,329,245,115.08/320,902.56
  6. Step 6: Final answer
    x = 228,509.38

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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.