Home / 132,966.56-183,493.86-76,377.94

Finding the Fourth Proportional to 132,966.56, 183,493.86 and 76,377.94

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Solution

The fourth proportional to 132,966.56, 183,493.86 and 76,377.94 is: 105,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,966.56 : 183,493.86 = 76,377.94 : x
  2. Step 2: Convert to fraction form
    132,966.56/183,493.86 = 76,377.94/x
  3. Step 3: Cross multiply
    132,966.56x = 183,493.86 × 76,377.94
  4. Step 4: Simplify right side
    132,966.56x = 14,014,882,284.30
  5. Step 5: Solve for x
    x = 14,014,882,284.30/132,966.56
  6. Step 6: Final answer
    x = 105,401.55

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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.