Home / 190,685.25-262,212.52-165,491.01

Finding the Fourth Proportional to 190,685.25, 262,212.52 and 165,491.01

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Solution

The fourth proportional to 190,685.25, 262,212.52 and 165,491.01 is: 227,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,685.25 : 262,212.52 = 165,491.01 : x
  2. Step 2: Convert to fraction form
    190,685.25/262,212.52 = 165,491.01/x
  3. Step 3: Cross multiply
    190,685.25x = 262,212.52 × 165,491.01
  4. Step 4: Simplify right side
    190,685.25x = 43,393,814,769.45
  5. Step 5: Solve for x
    x = 43,393,814,769.45/190,685.25
  6. Step 6: Final answer
    x = 227,567.76

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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.