Home / 133,745.47-184,521.46-76,343.39

Finding the Fourth Proportional to 133,745.47, 184,521.46 and 76,343.39

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Solution

The fourth proportional to 133,745.47, 184,521.46 and 76,343.39 is: 105,326.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,745.47 : 184,521.46 = 76,343.39 : x
  2. Step 2: Convert to fraction form
    133,745.47/184,521.46 = 76,343.39/x
  3. Step 3: Cross multiply
    133,745.47x = 184,521.46 × 76,343.39
  4. Step 4: Simplify right side
    133,745.47x = 14,086,993,147.85
  5. Step 5: Solve for x
    x = 14,086,993,147.85/133,745.47
  6. Step 6: Final answer
    x = 105,326.88

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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.