Home / 190,265.76-262,498.32-114,786.72

Finding the Fourth Proportional to 190,265.76, 262,498.32 and 114,786.72

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Solution

The fourth proportional to 190,265.76, 262,498.32 and 114,786.72 is: 158,364.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,265.76 : 262,498.32 = 114,786.72 : x
  2. Step 2: Convert to fraction form
    190,265.76/262,498.32 = 114,786.72/x
  3. Step 3: Cross multiply
    190,265.76x = 262,498.32 × 114,786.72
  4. Step 4: Simplify right side
    190,265.76x = 30,131,321,158.31
  5. Step 5: Solve for x
    x = 30,131,321,158.31/190,265.76
  6. Step 6: Final answer
    x = 158,364.39

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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.