Home / 191,072.43-263,676.97-105,029.55

Finding the Fourth Proportional to 191,072.43, 263,676.97 and 105,029.55

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Solution

The fourth proportional to 191,072.43, 263,676.97 and 105,029.55 is: 144,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,072.43 : 263,676.97 = 105,029.55 : x
  2. Step 2: Convert to fraction form
    191,072.43/263,676.97 = 105,029.55/x
  3. Step 3: Cross multiply
    191,072.43x = 263,676.97 × 105,029.55
  4. Step 4: Simplify right side
    191,072.43x = 27,693,873,504.46
  5. Step 5: Solve for x
    x = 27,693,873,504.46/191,072.43
  6. Step 6: Final answer
    x = 144,939.14

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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.