Home / 186,880.20-280,357.22-68,552.56

Finding the Fourth Proportional to 186,880.20, 280,357.22 and 68,552.56

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Solution

The fourth proportional to 186,880.20, 280,357.22 and 68,552.56 is: 102,842.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,880.20 : 280,357.22 = 68,552.56 : x
  2. Step 2: Convert to fraction form
    186,880.20/280,357.22 = 68,552.56/x
  3. Step 3: Cross multiply
    186,880.20x = 280,357.22 × 68,552.56
  4. Step 4: Simplify right side
    186,880.20x = 19,219,205,145.48
  5. Step 5: Solve for x
    x = 19,219,205,145.48/186,880.20
  6. Step 6: Final answer
    x = 102,842.38

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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.