Home / 268,171.20-401,673.60-162,806.40

Finding the Fourth Proportional to 268,171.20, 401,673.60 and 162,806.40

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Solution

The fourth proportional to 268,171.20, 401,673.60 and 162,806.40 is: 243,855.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,171.20 : 401,673.60 = 162,806.40 : x
  2. Step 2: Convert to fraction form
    268,171.20/401,673.60 = 162,806.40/x
  3. Step 3: Cross multiply
    268,171.20x = 401,673.60 × 162,806.40
  4. Step 4: Simplify right side
    268,171.20x = 65,395,032,791.04
  5. Step 5: Solve for x
    x = 65,395,032,791.04/268,171.20
  6. Step 6: Final answer
    x = 243,855.54

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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.