Home / 196,980.36-271,765.44-112,076.16

Finding the Fourth Proportional to 196,980.36, 271,765.44 and 112,076.16

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Solution

The fourth proportional to 196,980.36, 271,765.44 and 112,076.16 is: 154,626.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,980.36 : 271,765.44 = 112,076.16 : x
  2. Step 2: Convert to fraction form
    196,980.36/271,765.44 = 112,076.16/x
  3. Step 3: Cross multiply
    196,980.36x = 271,765.44 × 112,076.16
  4. Step 4: Simplify right side
    196,980.36x = 30,458,426,935.91
  5. Step 5: Solve for x
    x = 30,458,426,935.91/196,980.36
  6. Step 6: Final answer
    x = 154,626.72

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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.