Home / 133,916.62-184,804.92-76,557.18

Finding the Fourth Proportional to 133,916.62, 184,804.92 and 76,557.18

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Solution

The fourth proportional to 133,916.62, 184,804.92 and 76,557.18 is: 105,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,916.62 : 184,804.92 = 76,557.18 : x
  2. Step 2: Convert to fraction form
    133,916.62/184,804.92 = 76,557.18/x
  3. Step 3: Cross multiply
    133,916.62x = 184,804.92 × 76,557.18
  4. Step 4: Simplify right side
    133,916.62x = 14,148,143,525.33
  5. Step 5: Solve for x
    x = 14,148,143,525.33/133,916.62
  6. Step 6: Final answer
    x = 105,648.90

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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.