Home / 298,878.42-412,452.23-164,742.42

Finding the Fourth Proportional to 298,878.42, 412,452.23 and 164,742.42

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Solution

The fourth proportional to 298,878.42, 412,452.23 and 164,742.42 is: 227,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,878.42 : 412,452.23 = 164,742.42 : x
  2. Step 2: Convert to fraction form
    298,878.42/412,452.23 = 164,742.42/x
  3. Step 3: Cross multiply
    298,878.42x = 412,452.23 × 164,742.42
  4. Step 4: Simplify right side
    298,878.42x = 67,948,378,504.60
  5. Step 5: Solve for x
    x = 67,948,378,504.60/298,878.42
  6. Step 6: Final answer
    x = 227,344.55

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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.