Home / 140,520.48-193,922.88-76,858.27

Finding the Fourth Proportional to 140,520.48, 193,922.88 and 76,858.27

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Solution

The fourth proportional to 140,520.48, 193,922.88 and 76,858.27 is: 106,066.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,520.48 : 193,922.88 = 76,858.27 : x
  2. Step 2: Convert to fraction form
    140,520.48/193,922.88 = 76,858.27/x
  3. Step 3: Cross multiply
    140,520.48x = 193,922.88 × 76,858.27
  4. Step 4: Simplify right side
    140,520.48x = 14,904,576,685.93
  5. Step 5: Solve for x
    x = 14,904,576,685.93/140,520.48
  6. Step 6: Final answer
    x = 106,066.94

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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.