Home / 132,933.37-183,443.57-79,190.54

Finding the Fourth Proportional to 132,933.37, 183,443.57 and 79,190.54

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Solution

The fourth proportional to 132,933.37, 183,443.57 and 79,190.54 is: 109,280.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,933.37 : 183,443.57 = 79,190.54 : x
  2. Step 2: Convert to fraction form
    132,933.37/183,443.57 = 79,190.54/x
  3. Step 3: Cross multiply
    132,933.37x = 183,443.57 × 79,190.54
  4. Step 4: Simplify right side
    132,933.37x = 14,526,994,971.88
  5. Step 5: Solve for x
    x = 14,526,994,971.88/132,933.37
  6. Step 6: Final answer
    x = 109,280.28

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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.