Home / 190,891.36-263,561.88-119,303.56

Finding the Fourth Proportional to 190,891.36, 263,561.88 and 119,303.56

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Solution

The fourth proportional to 190,891.36, 263,561.88 and 119,303.56 is: 164,721.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,891.36 : 263,561.88 = 119,303.56 : x
  2. Step 2: Convert to fraction form
    190,891.36/263,561.88 = 119,303.56/x
  3. Step 3: Cross multiply
    190,891.36x = 263,561.88 × 119,303.56
  4. Step 4: Simplify right side
    190,891.36x = 31,443,870,564.29
  5. Step 5: Solve for x
    x = 31,443,870,564.29/190,891.36
  6. Step 6: Final answer
    x = 164,721.29

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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.