Home / 172,736.74-259,252.80-67,629.52

Finding the Fourth Proportional to 172,736.74, 259,252.80 and 67,629.52

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Solution

The fourth proportional to 172,736.74, 259,252.80 and 67,629.52 is: 101,502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,736.74 : 259,252.80 = 67,629.52 : x
  2. Step 2: Convert to fraction form
    172,736.74/259,252.80 = 67,629.52/x
  3. Step 3: Cross multiply
    172,736.74x = 259,252.80 × 67,629.52
  4. Step 4: Simplify right side
    172,736.74x = 17,533,142,422.66
  5. Step 5: Solve for x
    x = 17,533,142,422.66/172,736.74
  6. Step 6: Final answer
    x = 101,502.10

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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.