Home / 190,722.48-263,194.56-105,837.72

Finding the Fourth Proportional to 190,722.48, 263,194.56 and 105,837.72

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Solution

The fourth proportional to 190,722.48, 263,194.56 and 105,837.72 is: 146,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,722.48 : 263,194.56 = 105,837.72 : x
  2. Step 2: Convert to fraction form
    190,722.48/263,194.56 = 105,837.72/x
  3. Step 3: Cross multiply
    190,722.48x = 263,194.56 × 105,837.72
  4. Step 4: Simplify right side
    190,722.48x = 27,855,912,146.80
  5. Step 5: Solve for x
    x = 27,855,912,146.80/190,722.48
  6. Step 6: Final answer
    x = 146,054.69

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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.