Home / 168,870.44-253,212.06-69,100.58

Finding the Fourth Proportional to 168,870.44, 253,212.06 and 69,100.58

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Solution

The fourth proportional to 168,870.44, 253,212.06 and 69,100.58 is: 103,612.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,870.44 : 253,212.06 = 69,100.58 : x
  2. Step 2: Convert to fraction form
    168,870.44/253,212.06 = 69,100.58/x
  3. Step 3: Cross multiply
    168,870.44x = 253,212.06 × 69,100.58
  4. Step 4: Simplify right side
    168,870.44x = 17,497,100,208.99
  5. Step 5: Solve for x
    x = 17,497,100,208.99/168,870.44
  6. Step 6: Final answer
    x = 103,612.57

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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.