Home / 190,842.78-263,370.39-105,975.84

Finding the Fourth Proportional to 190,842.78, 263,370.39 and 105,975.84

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Solution

The fourth proportional to 190,842.78, 263,370.39 and 105,975.84 is: 146,250.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,842.78 : 263,370.39 = 105,975.84 : x
  2. Step 2: Convert to fraction form
    190,842.78/263,370.39 = 105,975.84/x
  3. Step 3: Cross multiply
    190,842.78x = 263,370.39 × 105,975.84
  4. Step 4: Simplify right side
    190,842.78x = 27,910,898,311.38
  5. Step 5: Solve for x
    x = 27,910,898,311.38/190,842.78
  6. Step 6: Final answer
    x = 146,250.74

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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.