Home / 132,682.92-183,098.16-78,955.64

Finding the Fourth Proportional to 132,682.92, 183,098.16 and 78,955.64

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Solution

The fourth proportional to 132,682.92, 183,098.16 and 78,955.64 is: 108,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,682.92 : 183,098.16 = 78,955.64 : x
  2. Step 2: Convert to fraction form
    132,682.92/183,098.16 = 78,955.64/x
  3. Step 3: Cross multiply
    132,682.92x = 183,098.16 × 78,955.64
  4. Step 4: Simplify right side
    132,682.92x = 14,456,632,405.62
  5. Step 5: Solve for x
    x = 14,456,632,405.62/132,682.92
  6. Step 6: Final answer
    x = 108,956.24

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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.