Home / 190,645.69-263,091.37-105,762.76

Finding the Fourth Proportional to 190,645.69, 263,091.37 and 105,762.76

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Solution

The fourth proportional to 190,645.69, 263,091.37 and 105,762.76 is: 145,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,645.69 : 263,091.37 = 105,762.76 : x
  2. Step 2: Convert to fraction form
    190,645.69/263,091.37 = 105,762.76/x
  3. Step 3: Cross multiply
    190,645.69x = 263,091.37 × 105,762.76
  4. Step 4: Simplify right side
    190,645.69x = 27,825,269,423.38
  5. Step 5: Solve for x
    x = 27,825,269,423.38/190,645.69
  6. Step 6: Final answer
    x = 145,952.79

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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.