Home / 190,713.59-263,186.31-105,832.07

Finding the Fourth Proportional to 190,713.59, 263,186.31 and 105,832.07

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Solution

The fourth proportional to 190,713.59, 263,186.31 and 105,832.07 is: 146,049.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,713.59 : 263,186.31 = 105,832.07 : x
  2. Step 2: Convert to fraction form
    190,713.59/263,186.31 = 105,832.07/x
  3. Step 3: Cross multiply
    190,713.59x = 263,186.31 × 105,832.07
  4. Step 4: Simplify right side
    190,713.59x = 27,853,551,982.96
  5. Step 5: Solve for x
    x = 27,853,551,982.96/190,713.59
  6. Step 6: Final answer
    x = 146,049.12

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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.