Home / 190,095.37-262,344.90-105,217.90

Finding the Fourth Proportional to 190,095.37, 262,344.90 and 105,217.90

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Solution

The fourth proportional to 190,095.37, 262,344.90 and 105,217.90 is: 145,208.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,095.37 : 262,344.90 = 105,217.90 : x
  2. Step 2: Convert to fraction form
    190,095.37/262,344.90 = 105,217.90/x
  3. Step 3: Cross multiply
    190,095.37x = 262,344.90 × 105,217.90
  4. Step 4: Simplify right side
    190,095.37x = 27,603,379,453.71
  5. Step 5: Solve for x
    x = 27,603,379,453.71/190,095.37
  6. Step 6: Final answer
    x = 145,208.06

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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.