Home / 190,379.23-262,722.63-105,496.23

Finding the Fourth Proportional to 190,379.23, 262,722.63 and 105,496.23

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Solution

The fourth proportional to 190,379.23, 262,722.63 and 105,496.23 is: 145,584.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,379.23 : 262,722.63 = 105,496.23 : x
  2. Step 2: Convert to fraction form
    190,379.23/262,722.63 = 105,496.23/x
  3. Step 3: Cross multiply
    190,379.23x = 262,722.63 × 105,496.23
  4. Step 4: Simplify right side
    190,379.23x = 27,716,247,000.68
  5. Step 5: Solve for x
    x = 27,716,247,000.68/190,379.23
  6. Step 6: Final answer
    x = 145,584.41

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1.5x scale

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.