Home / 196,820.76-271,585.26-111,928.44

Finding the Fourth Proportional to 196,820.76, 271,585.26 and 111,928.44

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Solution

The fourth proportional to 196,820.76, 271,585.26 and 111,928.44 is: 154,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,820.76 : 271,585.26 = 111,928.44 : x
  2. Step 2: Convert to fraction form
    196,820.76/271,585.26 = 111,928.44/x
  3. Step 3: Cross multiply
    196,820.76x = 271,585.26 × 111,928.44
  4. Step 4: Simplify right side
    196,820.76x = 30,398,114,478.79
  5. Step 5: Solve for x
    x = 30,398,114,478.79/196,820.76
  6. Step 6: Final answer
    x = 154,445.67

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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.