Home / 190,836.46-263,344.03-105,948.06

Finding the Fourth Proportional to 190,836.46, 263,344.03 and 105,948.06

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Solution

The fourth proportional to 190,836.46, 263,344.03 and 105,948.06 is: 146,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,836.46 : 263,344.03 = 105,948.06 : x
  2. Step 2: Convert to fraction form
    190,836.46/263,344.03 = 105,948.06/x
  3. Step 3: Cross multiply
    190,836.46x = 263,344.03 × 105,948.06
  4. Step 4: Simplify right side
    190,836.46x = 27,900,789,091.08
  5. Step 5: Solve for x
    x = 27,900,789,091.08/190,836.46
  6. Step 6: Final answer
    x = 146,202.61

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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.