Home / 186,975.51-258,022.95-106,401.36

Finding the Fourth Proportional to 186,975.51, 258,022.95 and 106,401.36

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Solution

The fourth proportional to 186,975.51, 258,022.95 and 106,401.36 is: 146,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,975.51 : 258,022.95 = 106,401.36 : x
  2. Step 2: Convert to fraction form
    186,975.51/258,022.95 = 106,401.36/x
  3. Step 3: Cross multiply
    186,975.51x = 258,022.95 × 106,401.36
  4. Step 4: Simplify right side
    186,975.51x = 27,453,992,791.21
  5. Step 5: Solve for x
    x = 27,453,992,791.21/186,975.51
  6. Step 6: Final answer
    x = 146,832.03

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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.