Home / 217,022.40-325,533.60-134,078.40

Finding the Fourth Proportional to 217,022.40, 325,533.60 and 134,078.40

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Solution

The fourth proportional to 217,022.40, 325,533.60 and 134,078.40 is: 201,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,022.40 : 325,533.60 = 134,078.40 : x
  2. Step 2: Convert to fraction form
    217,022.40/325,533.60 = 134,078.40/x
  3. Step 3: Cross multiply
    217,022.40x = 325,533.60 × 134,078.40
  4. Step 4: Simplify right side
    217,022.40x = 43,647,024,234.24
  5. Step 5: Solve for x
    x = 43,647,024,234.24/217,022.40
  6. Step 6: Final answer
    x = 201,117.60

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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.