Home / 190,379.46-262,725.22-105,497.94

Finding the Fourth Proportional to 190,379.46, 262,725.22 and 105,497.94

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Solution

The fourth proportional to 190,379.46, 262,725.22 and 105,497.94 is: 145,588.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,379.46 : 262,725.22 = 105,497.94 : x
  2. Step 2: Convert to fraction form
    190,379.46/262,725.22 = 105,497.94/x
  3. Step 3: Cross multiply
    190,379.46x = 262,725.22 × 105,497.94
  4. Step 4: Simplify right side
    190,379.46x = 27,716,969,496.05
  5. Step 5: Solve for x
    x = 27,716,969,496.05/190,379.46
  6. Step 6: Final answer
    x = 145,588.02

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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.