Home / 190,178.26-262,450-104,140.86

Finding the Fourth Proportional to 190,178.26, 262,450 and 104,140.86

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Solution

The fourth proportional to 190,178.26, 262,450 and 104,140.86 is: 143,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,178.26 : 262,450 = 104,140.86 : x
  2. Step 2: Convert to fraction form
    190,178.26/262,450 = 104,140.86/x
  3. Step 3: Cross multiply
    190,178.26x = 262,450 × 104,140.86
  4. Step 4: Simplify right side
    190,178.26x = 27,331,768,707
  5. Step 5: Solve for x
    x = 27,331,768,707/190,178.26
  6. Step 6: Final answer
    x = 143,716.58

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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.