Home / 100,680.83-151,010.84-34,119.23

Finding the Fourth Proportional to 100,680.83, 151,010.84 and 34,119.23

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Solution

The fourth proportional to 100,680.83, 151,010.84 and 34,119.23 is: 51,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,680.83 : 151,010.84 = 34,119.23 : x
  2. Step 2: Convert to fraction form
    100,680.83/151,010.84 = 34,119.23/x
  3. Step 3: Cross multiply
    100,680.83x = 151,010.84 × 34,119.23
  4. Step 4: Simplify right side
    100,680.83x = 5,152,372,656.80
  5. Step 5: Solve for x
    x = 5,152,372,656.80/100,680.83
  6. Step 6: Final answer
    x = 51,175.31

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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.