Home / 132,766.68-183,134.28-79,011.56

Finding the Fourth Proportional to 132,766.68, 183,134.28 and 79,011.56

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Solution

The fourth proportional to 132,766.68, 183,134.28 and 79,011.56 is: 108,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,766.68 : 183,134.28 = 79,011.56 : x
  2. Step 2: Convert to fraction form
    132,766.68/183,134.28 = 79,011.56/x
  3. Step 3: Cross multiply
    132,766.68x = 183,134.28 × 79,011.56
  4. Step 4: Simplify right side
    132,766.68x = 14,469,725,152.28
  5. Step 5: Solve for x
    x = 14,469,725,152.28/132,766.68
  6. Step 6: Final answer
    x = 108,986.12

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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.