Home / 196,109.92-270,591.60-111,204.64

Finding the Fourth Proportional to 196,109.92, 270,591.60 and 111,204.64

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Solution

The fourth proportional to 196,109.92, 270,591.60 and 111,204.64 is: 153,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,109.92 : 270,591.60 = 111,204.64 : x
  2. Step 2: Convert to fraction form
    196,109.92/270,591.60 = 111,204.64/x
  3. Step 3: Cross multiply
    196,109.92x = 270,591.60 × 111,204.64
  4. Step 4: Simplify right side
    196,109.92x = 30,091,041,465.02
  5. Step 5: Solve for x
    x = 30,091,041,465.02/196,109.92
  6. Step 6: Final answer
    x = 153,439.67

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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.