Home / 132,694.84-183,135.64-76,105

Finding the Fourth Proportional to 132,694.84, 183,135.64 and 76,105

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Solution

The fourth proportional to 132,694.84, 183,135.64 and 76,105 is: 105,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,694.84 : 183,135.64 = 76,105 : x
  2. Step 2: Convert to fraction form
    132,694.84/183,135.64 = 76,105/x
  3. Step 3: Cross multiply
    132,694.84x = 183,135.64 × 76,105
  4. Step 4: Simplify right side
    132,694.84x = 13,937,537,882.20
  5. Step 5: Solve for x
    x = 13,937,537,882.20/132,694.84
  6. Step 6: Final answer
    x = 105,034.51

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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.