Home / 172,272.74-258,388.61-45,922.46

Finding the Fourth Proportional to 172,272.74, 258,388.61 and 45,922.46

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Solution

The fourth proportional to 172,272.74, 258,388.61 and 45,922.46 is: 68,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,272.74 : 258,388.61 = 45,922.46 : x
  2. Step 2: Convert to fraction form
    172,272.74/258,388.61 = 45,922.46/x
  3. Step 3: Cross multiply
    172,272.74x = 258,388.61 × 45,922.46
  4. Step 4: Simplify right side
    172,272.74x = 11,865,839,085.63
  5. Step 5: Solve for x
    x = 11,865,839,085.63/172,272.74
  6. Step 6: Final answer
    x = 68,878.22

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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.