Home / 320,933.48-442,902.04-177,693.53

Finding the Fourth Proportional to 320,933.48, 442,902.04 and 177,693.53

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Solution

The fourth proportional to 320,933.48, 442,902.04 and 177,693.53 is: 245,224.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,933.48 : 442,902.04 = 177,693.53 : x
  2. Step 2: Convert to fraction form
    320,933.48/442,902.04 = 177,693.53/x
  3. Step 3: Cross multiply
    320,933.48x = 442,902.04 × 177,693.53
  4. Step 4: Simplify right side
    320,933.48x = 78,700,824,717.29
  5. Step 5: Solve for x
    x = 78,700,824,717.29/320,933.48
  6. Step 6: Final answer
    x = 245,224.73

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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.