Home / 140,655.93-194,107.02-76,992.36

Finding the Fourth Proportional to 140,655.93, 194,107.02 and 76,992.36

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Solution

The fourth proportional to 140,655.93, 194,107.02 and 76,992.36 is: 106,250.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,655.93 : 194,107.02 = 76,992.36 : x
  2. Step 2: Convert to fraction form
    140,655.93/194,107.02 = 76,992.36/x
  3. Step 3: Cross multiply
    140,655.93x = 194,107.02 × 76,992.36
  4. Step 4: Simplify right side
    140,655.93x = 14,944,757,562.37
  5. Step 5: Solve for x
    x = 14,944,757,562.37/140,655.93
  6. Step 6: Final answer
    x = 106,250.46

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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.