Home / 133,436.40-184,097.52-76,846.56

Finding the Fourth Proportional to 133,436.40, 184,097.52 and 76,846.56

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Solution

The fourth proportional to 133,436.40, 184,097.52 and 76,846.56 is: 106,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,436.40 : 184,097.52 = 76,846.56 : x
  2. Step 2: Convert to fraction form
    133,436.40/184,097.52 = 76,846.56/x
  3. Step 3: Cross multiply
    133,436.40x = 184,097.52 × 76,846.56
  4. Step 4: Simplify right side
    133,436.40x = 14,147,261,116.53
  5. Step 5: Solve for x
    x = 14,147,261,116.53/133,436.40
  6. Step 6: Final answer
    x = 106,022.50

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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.