Home / 196,487.56-271,153.74-111,609.28

Finding the Fourth Proportional to 196,487.56, 271,153.74 and 111,609.28

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Solution

The fourth proportional to 196,487.56, 271,153.74 and 111,609.28 is: 154,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,487.56 : 271,153.74 = 111,609.28 : x
  2. Step 2: Convert to fraction form
    196,487.56/271,153.74 = 111,609.28/x
  3. Step 3: Cross multiply
    196,487.56x = 271,153.74 × 111,609.28
  4. Step 4: Simplify right side
    196,487.56x = 30,263,273,690.71
  5. Step 5: Solve for x
    x = 30,263,273,690.71/196,487.56
  6. Step 6: Final answer
    x = 154,021.32

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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.