Home / 215,880.44-298,036.76-149,696.36

Finding the Fourth Proportional to 215,880.44, 298,036.76 and 149,696.36

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Solution

The fourth proportional to 215,880.44, 298,036.76 and 149,696.36 is: 206,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,880.44 : 298,036.76 = 149,696.36 : x
  2. Step 2: Convert to fraction form
    215,880.44/298,036.76 = 149,696.36/x
  3. Step 3: Cross multiply
    215,880.44x = 298,036.76 × 149,696.36
  4. Step 4: Simplify right side
    215,880.44x = 44,615,015,879.53
  5. Step 5: Solve for x
    x = 44,615,015,879.53/215,880.44
  6. Step 6: Final answer
    x = 206,665.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.