Home / 191,239.22-263,904.77-105,198.12

Finding the Fourth Proportional to 191,239.22, 263,904.77 and 105,198.12

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Solution

The fourth proportional to 191,239.22, 263,904.77 and 105,198.12 is: 145,170.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,239.22 : 263,904.77 = 105,198.12 : x
  2. Step 2: Convert to fraction form
    191,239.22/263,904.77 = 105,198.12/x
  3. Step 3: Cross multiply
    191,239.22x = 263,904.77 × 105,198.12
  4. Step 4: Simplify right side
    191,239.22x = 27,762,285,137.04
  5. Step 5: Solve for x
    x = 27,762,285,137.04/191,239.22
  6. Step 6: Final answer
    x = 145,170.46

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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.