Home / 132,919.54-183,418.77-76,349.14

Finding the Fourth Proportional to 132,919.54, 183,418.77 and 76,349.14

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Solution

The fourth proportional to 132,919.54, 183,418.77 and 76,349.14 is: 105,355.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,919.54 : 183,418.77 = 76,349.14 : x
  2. Step 2: Convert to fraction form
    132,919.54/183,418.77 = 76,349.14/x
  3. Step 3: Cross multiply
    132,919.54x = 183,418.77 × 76,349.14
  4. Step 4: Simplify right side
    132,919.54x = 14,003,865,349.36
  5. Step 5: Solve for x
    x = 14,003,865,349.36/132,919.54
  6. Step 6: Final answer
    x = 105,355.96

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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.