Home / 186,981.83-280,025.73-107,856.17

Finding the Fourth Proportional to 186,981.83, 280,025.73 and 107,856.17

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Solution

The fourth proportional to 186,981.83, 280,025.73 and 107,856.17 is: 161,526.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,981.83 : 280,025.73 = 107,856.17 : x
  2. Step 2: Convert to fraction form
    186,981.83/280,025.73 = 107,856.17/x
  3. Step 3: Cross multiply
    186,981.83x = 280,025.73 × 107,856.17
  4. Step 4: Simplify right side
    186,981.83x = 30,202,503,439.32
  5. Step 5: Solve for x
    x = 30,202,503,439.32/186,981.83
  6. Step 6: Final answer
    x = 161,526.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.