Home / 190,765.72-263,209.26-105,861.52

Finding the Fourth Proportional to 190,765.72, 263,209.26 and 105,861.52

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Solution

The fourth proportional to 190,765.72, 263,209.26 and 105,861.52 is: 146,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,765.72 : 263,209.26 = 105,861.52 : x
  2. Step 2: Convert to fraction form
    190,765.72/263,209.26 = 105,861.52/x
  3. Step 3: Cross multiply
    190,765.72x = 263,209.26 × 105,861.52
  4. Step 4: Simplify right side
    190,765.72x = 27,863,732,341.68
  5. Step 5: Solve for x
    x = 27,863,732,341.68/190,765.72
  6. Step 6: Final answer
    x = 146,062.58

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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.