Home / 191,153.04-263,797.92-105,118.56

Finding the Fourth Proportional to 191,153.04, 263,797.92 and 105,118.56

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Solution

The fourth proportional to 191,153.04, 263,797.92 and 105,118.56 is: 145,067.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,153.04 : 263,797.92 = 105,118.56 : x
  2. Step 2: Convert to fraction form
    191,153.04/263,797.92 = 105,118.56/x
  3. Step 3: Cross multiply
    191,153.04x = 263,797.92 × 105,118.56
  4. Step 4: Simplify right side
    191,153.04x = 27,730,057,481.40
  5. Step 5: Solve for x
    x = 27,730,057,481.40/191,153.04
  6. Step 6: Final answer
    x = 145,067.31

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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.