Home / 168,008.23-251,924.85-79,237.90

Finding the Fourth Proportional to 168,008.23, 251,924.85 and 79,237.90

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Solution

The fourth proportional to 168,008.23, 251,924.85 and 79,237.90 is: 118,815.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,008.23 : 251,924.85 = 79,237.90 : x
  2. Step 2: Convert to fraction form
    168,008.23/251,924.85 = 79,237.90/x
  3. Step 3: Cross multiply
    168,008.23x = 251,924.85 × 79,237.90
  4. Step 4: Simplify right side
    168,008.23x = 19,961,996,071.82
  5. Step 5: Solve for x
    x = 19,961,996,071.82/168,008.23
  6. Step 6: Final answer
    x = 118,815.58

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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.