Home / 190,650.78-263,129.58-105,795.18

Finding the Fourth Proportional to 190,650.78, 263,129.58 and 105,795.18

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Solution

The fourth proportional to 190,650.78, 263,129.58 and 105,795.18 is: 146,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,650.78 : 263,129.58 = 105,795.18 : x
  2. Step 2: Convert to fraction form
    190,650.78/263,129.58 = 105,795.18/x
  3. Step 3: Cross multiply
    190,650.78x = 263,129.58 × 105,795.18
  4. Step 4: Simplify right side
    190,650.78x = 27,837,841,279.42
  5. Step 5: Solve for x
    x = 27,837,841,279.42/190,650.78
  6. Step 6: Final answer
    x = 146,014.83

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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.