Home / 186,450.80-279,676.20-185,138.60

Finding the Fourth Proportional to 186,450.80, 279,676.20 and 185,138.60

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Solution

The fourth proportional to 186,450.80, 279,676.20 and 185,138.60 is: 277,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,450.80 : 279,676.20 = 185,138.60 : x
  2. Step 2: Convert to fraction form
    186,450.80/279,676.20 = 185,138.60/x
  3. Step 3: Cross multiply
    186,450.80x = 279,676.20 × 185,138.60
  4. Step 4: Simplify right side
    186,450.80x = 51,778,860,121.32
  5. Step 5: Solve for x
    x = 51,778,860,121.32/186,450.80
  6. Step 6: Final answer
    x = 277,707.90

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1.5x scale

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.