Home / 102,674.39-141,757.29-91,900.58

Finding the Fourth Proportional to 102,674.39, 141,757.29 and 91,900.58

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Solution

The fourth proportional to 102,674.39, 141,757.29 and 91,900.58 is: 126,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,674.39 : 141,757.29 = 91,900.58 : x
  2. Step 2: Convert to fraction form
    102,674.39/141,757.29 = 91,900.58/x
  3. Step 3: Cross multiply
    102,674.39x = 141,757.29 × 91,900.58
  4. Step 4: Simplify right side
    102,674.39x = 13,027,576,461.44
  5. Step 5: Solve for x
    x = 13,027,576,461.44/102,674.39
  6. Step 6: Final answer
    x = 126,882.44

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1.5x scale

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.