Home / 191,126.43-263,757.60-105,089.04

Finding the Fourth Proportional to 191,126.43, 263,757.60 and 105,089.04

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Solution

The fourth proportional to 191,126.43, 263,757.60 and 105,089.04 is: 145,024.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,126.43 : 263,757.60 = 105,089.04 : x
  2. Step 2: Convert to fraction form
    191,126.43/263,757.60 = 105,089.04/x
  3. Step 3: Cross multiply
    191,126.43x = 263,757.60 × 105,089.04
  4. Step 4: Simplify right side
    191,126.43x = 27,718,032,976.70
  5. Step 5: Solve for x
    x = 27,718,032,976.70/191,126.43
  6. Step 6: Final answer
    x = 145,024.59

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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.