Home / 191,201.69-263,864.78-105,167.33

Finding the Fourth Proportional to 191,201.69, 263,864.78 and 105,167.33

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Solution

The fourth proportional to 191,201.69, 263,864.78 and 105,167.33 is: 145,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,201.69 : 263,864.78 = 105,167.33 : x
  2. Step 2: Convert to fraction form
    191,201.69/263,864.78 = 105,167.33/x
  3. Step 3: Cross multiply
    191,201.69x = 263,864.78 × 105,167.33
  4. Step 4: Simplify right side
    191,201.69x = 27,749,954,393.64
  5. Step 5: Solve for x
    x = 27,749,954,393.64/191,201.69
  6. Step 6: Final answer
    x = 145,134.46

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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.