Home / 190,261.92-262,540.26-105,357.72

Finding the Fourth Proportional to 190,261.92, 262,540.26 and 105,357.72

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Solution

The fourth proportional to 190,261.92, 262,540.26 and 105,357.72 is: 145,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,261.92 : 262,540.26 = 105,357.72 : x
  2. Step 2: Convert to fraction form
    190,261.92/262,540.26 = 105,357.72/x
  3. Step 3: Cross multiply
    190,261.92x = 262,540.26 × 105,357.72
  4. Step 4: Simplify right side
    190,261.92x = 27,660,643,201.81
  5. Step 5: Solve for x
    x = 27,660,643,201.81/190,261.92
  6. Step 6: Final answer
    x = 145,381.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.