Home / 186,826.40-280,286.53-53,706.90

Finding the Fourth Proportional to 186,826.40, 280,286.53 and 53,706.90

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Solution

The fourth proportional to 186,826.40, 280,286.53 and 53,706.90 is: 80,573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,826.40 : 280,286.53 = 53,706.90 : x
  2. Step 2: Convert to fraction form
    186,826.40/280,286.53 = 53,706.90/x
  3. Step 3: Cross multiply
    186,826.40x = 280,286.53 × 53,706.90
  4. Step 4: Simplify right side
    186,826.40x = 15,053,319,236.62
  5. Step 5: Solve for x
    x = 15,053,319,236.62/186,826.40
  6. Step 6: Final answer
    x = 80,573.84

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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.