Home / 186,471.14-279,734.27-68,114.80

Finding the Fourth Proportional to 186,471.14, 279,734.27 and 68,114.80

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Solution

The fourth proportional to 186,471.14, 279,734.27 and 68,114.80 is: 102,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,471.14 : 279,734.27 = 68,114.80 : x
  2. Step 2: Convert to fraction form
    186,471.14/279,734.27 = 68,114.80/x
  3. Step 3: Cross multiply
    186,471.14x = 279,734.27 × 68,114.80
  4. Step 4: Simplify right side
    186,471.14x = 19,054,043,854.20
  5. Step 5: Solve for x
    x = 19,054,043,854.20/186,471.14
  6. Step 6: Final answer
    x = 102,182.27

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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.