Home / 190,818.88-263,330.64-105,936.16

Finding the Fourth Proportional to 190,818.88, 263,330.64 and 105,936.16

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Solution

The fourth proportional to 190,818.88, 263,330.64 and 105,936.16 is: 146,192.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,818.88 : 263,330.64 = 105,936.16 : x
  2. Step 2: Convert to fraction form
    190,818.88/263,330.64 = 105,936.16/x
  3. Step 3: Cross multiply
    190,818.88x = 263,330.64 × 105,936.16
  4. Step 4: Simplify right side
    190,818.88x = 27,896,236,811.94
  5. Step 5: Solve for x
    x = 27,896,236,811.94/190,818.88
  6. Step 6: Final answer
    x = 146,192.23

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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.