Home / 186,975.76-258,023.29-106,401.61

Finding the Fourth Proportional to 186,975.76, 258,023.29 and 106,401.61

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Solution

The fourth proportional to 186,975.76, 258,023.29 and 106,401.61 is: 146,832.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,975.76 : 258,023.29 = 106,401.61 : x
  2. Step 2: Convert to fraction form
    186,975.76/258,023.29 = 106,401.61/x
  3. Step 3: Cross multiply
    186,975.76x = 258,023.29 × 106,401.61
  4. Step 4: Simplify right side
    186,975.76x = 27,454,093,473.50
  5. Step 5: Solve for x
    x = 27,454,093,473.50/186,975.76
  6. Step 6: Final answer
    x = 146,832.37

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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.