Home / 190,765.51-263,262.90-104,731.36

Finding the Fourth Proportional to 190,765.51, 263,262.90 and 104,731.36

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Solution

The fourth proportional to 190,765.51, 263,262.90 and 104,731.36 is: 144,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,765.51 : 263,262.90 = 104,731.36 : x
  2. Step 2: Convert to fraction form
    190,765.51/263,262.90 = 104,731.36/x
  3. Step 3: Cross multiply
    190,765.51x = 263,262.90 × 104,731.36
  4. Step 4: Simplify right side
    190,765.51x = 27,571,881,554.54
  5. Step 5: Solve for x
    x = 27,571,881,554.54/190,765.51
  6. Step 6: Final answer
    x = 144,532.84

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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.