Home / 319,290.16-479,121.96-177,255.04

Finding the Fourth Proportional to 319,290.16, 479,121.96 and 177,255.04

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Solution

The fourth proportional to 319,290.16, 479,121.96 and 177,255.04 is: 265,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,290.16 : 479,121.96 = 177,255.04 : x
  2. Step 2: Convert to fraction form
    319,290.16/479,121.96 = 177,255.04/x
  3. Step 3: Cross multiply
    319,290.16x = 479,121.96 × 177,255.04
  4. Step 4: Simplify right side
    319,290.16x = 84,926,782,184.68
  5. Step 5: Solve for x
    x = 84,926,782,184.68/319,290.16
  6. Step 6: Final answer
    x = 265,986.22

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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.