Home / 132,933.36-183,443.56-79,190.54

Finding the Fourth Proportional to 132,933.36, 183,443.56 and 79,190.54

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Solution

The fourth proportional to 132,933.36, 183,443.56 and 79,190.54 is: 109,280.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,933.36 : 183,443.56 = 79,190.54 : x
  2. Step 2: Convert to fraction form
    132,933.36/183,443.56 = 79,190.54/x
  3. Step 3: Cross multiply
    132,933.36x = 183,443.56 × 79,190.54
  4. Step 4: Simplify right side
    132,933.36x = 14,526,994,575.92
  5. Step 5: Solve for x
    x = 14,526,994,575.92/132,933.36
  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.