Home / 133,393.30-184,098.63-76,815.70

Finding the Fourth Proportional to 133,393.30, 184,098.63 and 76,815.70

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Solution

The fourth proportional to 133,393.30, 184,098.63 and 76,815.70 is: 106,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,393.30 : 184,098.63 = 76,815.70 : x
  2. Step 2: Convert to fraction form
    133,393.30/184,098.63 = 76,815.70/x
  3. Step 3: Cross multiply
    133,393.30x = 184,098.63 × 76,815.70
  4. Step 4: Simplify right side
    133,393.30x = 14,141,665,132.49
  5. Step 5: Solve for x
    x = 14,141,665,132.49/133,393.30
  6. Step 6: Final answer
    x = 106,014.81

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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.