Home / 140,522.45-193,922.51-76,858.88

Finding the Fourth Proportional to 140,522.45, 193,922.51 and 76,858.88

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Solution

The fourth proportional to 140,522.45, 193,922.51 and 76,858.88 is: 106,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,522.45 : 193,922.51 = 76,858.88 : x
  2. Step 2: Convert to fraction form
    140,522.45/193,922.51 = 76,858.88/x
  3. Step 3: Cross multiply
    140,522.45x = 193,922.51 × 76,858.88
  4. Step 4: Simplify right side
    140,522.45x = 14,904,665,571.48
  5. Step 5: Solve for x
    x = 14,904,665,571.48/140,522.45
  6. Step 6: Final answer
    x = 106,066.08

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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.