Home / 122,234.34-168,690.48-68,536.64

Finding the Fourth Proportional to 122,234.34, 168,690.48 and 68,536.64

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Solution

The fourth proportional to 122,234.34, 168,690.48 and 68,536.64 is: 94,584.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,234.34 : 168,690.48 = 68,536.64 : x
  2. Step 2: Convert to fraction form
    122,234.34/168,690.48 = 68,536.64/x
  3. Step 3: Cross multiply
    122,234.34x = 168,690.48 × 68,536.64
  4. Step 4: Simplify right side
    122,234.34x = 11,561,477,598.72
  5. Step 5: Solve for x
    x = 11,561,477,598.72/122,234.34
  6. Step 6: Final answer
    x = 94,584.53

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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.