Home / 133,631.75-184,411.82-74,015.75

Finding the Fourth Proportional to 133,631.75, 184,411.82 and 74,015.75

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Solution

The fourth proportional to 133,631.75, 184,411.82 and 74,015.75 is: 102,141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,631.75 : 184,411.82 = 74,015.75 : x
  2. Step 2: Convert to fraction form
    133,631.75/184,411.82 = 74,015.75/x
  3. Step 3: Cross multiply
    133,631.75x = 184,411.82 × 74,015.75
  4. Step 4: Simplify right side
    133,631.75x = 13,649,379,166.17
  5. Step 5: Solve for x
    x = 13,649,379,166.17/133,631.75
  6. Step 6: Final answer
    x = 102,141.74

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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.