Home / 190,599.48-263,027.45-105,716.54

Finding the Fourth Proportional to 190,599.48, 263,027.45 and 105,716.54

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Solution

The fourth proportional to 190,599.48, 263,027.45 and 105,716.54 is: 145,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,599.48 : 263,027.45 = 105,716.54 : x
  2. Step 2: Convert to fraction form
    190,599.48/263,027.45 = 105,716.54/x
  3. Step 3: Cross multiply
    190,599.48x = 263,027.45 × 105,716.54
  4. Step 4: Simplify right side
    190,599.48x = 27,806,351,939.02
  5. Step 5: Solve for x
    x = 27,806,351,939.02/190,599.48
  6. Step 6: Final answer
    x = 145,888.92

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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.