Home / 281,814.03-388,919.00-160,994.54

Finding the Fourth Proportional to 281,814.03, 388,919.00 and 160,994.54

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Solution

The fourth proportional to 281,814.03, 388,919.00 and 160,994.54 is: 222,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,814.03 : 388,919.00 = 160,994.54 : x
  2. Step 2: Convert to fraction form
    281,814.03/388,919.00 = 160,994.54/x
  3. Step 3: Cross multiply
    281,814.03x = 388,919.00 × 160,994.54
  4. Step 4: Simplify right side
    281,814.03x = 62,613,836,877.04
  5. Step 5: Solve for x
    x = 62,613,836,877.04/281,814.03
  6. Step 6: Final answer
    x = 222,181.40

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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.