Home / 168,820.83-253,137.75-69,051.09

Finding the Fourth Proportional to 168,820.83, 253,137.75 and 69,051.09

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Solution

The fourth proportional to 168,820.83, 253,137.75 and 69,051.09 is: 103,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,820.83 : 253,137.75 = 69,051.09 : x
  2. Step 2: Convert to fraction form
    168,820.83/253,137.75 = 69,051.09/x
  3. Step 3: Cross multiply
    168,820.83x = 253,137.75 × 69,051.09
  4. Step 4: Simplify right side
    168,820.83x = 17,479,437,557.65
  5. Step 5: Solve for x
    x = 17,479,437,557.65/168,820.83
  6. Step 6: Final answer
    x = 103,538.39

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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.