Home / 122,254.22-168,710.70-68,539.25

Finding the Fourth Proportional to 122,254.22, 168,710.70 and 68,539.25

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Solution

The fourth proportional to 122,254.22, 168,710.70 and 68,539.25 is: 94,584.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,254.22 : 168,710.70 = 68,539.25 : x
  2. Step 2: Convert to fraction form
    122,254.22/168,710.70 = 68,539.25/x
  3. Step 3: Cross multiply
    122,254.22x = 168,710.70 × 68,539.25
  4. Step 4: Simplify right side
    122,254.22x = 11,563,304,001.42
  5. Step 5: Solve for x
    x = 11,563,304,001.42/122,254.22
  6. Step 6: Final answer
    x = 94,584.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.