Home / 190,515.26-262,907.24-109,940.72

Finding the Fourth Proportional to 190,515.26, 262,907.24 and 109,940.72

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Solution

The fourth proportional to 190,515.26, 262,907.24 and 109,940.72 is: 151,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,515.26 : 262,907.24 = 109,940.72 : x
  2. Step 2: Convert to fraction form
    190,515.26/262,907.24 = 109,940.72/x
  3. Step 3: Cross multiply
    190,515.26x = 262,907.24 × 109,940.72
  4. Step 4: Simplify right side
    190,515.26x = 28,904,209,394.57
  5. Step 5: Solve for x
    x = 28,904,209,394.57/190,515.26
  6. Step 6: Final answer
    x = 151,715.98

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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.