Home / 122,237.62-168,686.89-68,522.47

Finding the Fourth Proportional to 122,237.62, 168,686.89 and 68,522.47

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Solution

The fourth proportional to 122,237.62, 168,686.89 and 68,522.47 is: 94,560.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,237.62 : 168,686.89 = 68,522.47 : x
  2. Step 2: Convert to fraction form
    122,237.62/168,686.89 = 68,522.47/x
  3. Step 3: Cross multiply
    122,237.62x = 168,686.89 × 68,522.47
  4. Step 4: Simplify right side
    122,237.62x = 11,558,841,766.39
  5. Step 5: Solve for x
    x = 11,558,841,766.39/122,237.62
  6. Step 6: Final answer
    x = 94,560.43

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1.5x scale

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.