Home / 167,636.52-251,536.86-78,886.44

Finding the Fourth Proportional to 167,636.52, 251,536.86 and 78,886.44

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Solution

The fourth proportional to 167,636.52, 251,536.86 and 78,886.44 is: 118,368.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,636.52 : 251,536.86 = 78,886.44 : x
  2. Step 2: Convert to fraction form
    167,636.52/251,536.86 = 78,886.44/x
  3. Step 3: Cross multiply
    167,636.52x = 251,536.86 × 78,886.44
  4. Step 4: Simplify right side
    167,636.52x = 19,842,847,414.18
  5. Step 5: Solve for x
    x = 19,842,847,414.18/167,636.52
  6. Step 6: Final answer
    x = 118,368.29

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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.