Home / 190,609.38-263,034.23-105,734.34

Finding the Fourth Proportional to 190,609.38, 263,034.23 and 105,734.34

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Solution

The fourth proportional to 190,609.38, 263,034.23 and 105,734.34 is: 145,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,609.38 : 263,034.23 = 105,734.34 : x
  2. Step 2: Convert to fraction form
    190,609.38/263,034.23 = 105,734.34/x
  3. Step 3: Cross multiply
    190,609.38x = 263,034.23 × 105,734.34
  4. Step 4: Simplify right side
    190,609.38x = 27,811,750,177.79
  5. Step 5: Solve for x
    x = 27,811,750,177.79/190,609.38
  6. Step 6: Final answer
    x = 145,909.66

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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.