Home / 122,466.40-169,002.14-68,750.03

Finding the Fourth Proportional to 122,466.40, 169,002.14 and 68,750.03

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Solution

The fourth proportional to 122,466.40, 169,002.14 and 68,750.03 is: 94,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,466.40 : 169,002.14 = 68,750.03 : x
  2. Step 2: Convert to fraction form
    122,466.40/169,002.14 = 68,750.03/x
  3. Step 3: Cross multiply
    122,466.40x = 169,002.14 × 68,750.03
  4. Step 4: Simplify right side
    122,466.40x = 11,618,902,273.82
  5. Step 5: Solve for x
    x = 11,618,902,273.82/122,466.40
  6. Step 6: Final answer
    x = 94,874.21

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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.