Home / 196,823.28-271,631.16-111,935.28

Finding the Fourth Proportional to 196,823.28, 271,631.16 and 111,935.28

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Solution

The fourth proportional to 196,823.28, 271,631.16 and 111,935.28 is: 154,479.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,823.28 : 271,631.16 = 111,935.28 : x
  2. Step 2: Convert to fraction form
    196,823.28/271,631.16 = 111,935.28/x
  3. Step 3: Cross multiply
    196,823.28x = 271,631.16 × 111,935.28
  4. Step 4: Simplify right side
    196,823.28x = 30,405,109,951.32
  5. Step 5: Solve for x
    x = 30,405,109,951.32/196,823.28
  6. Step 6: Final answer
    x = 154,479.24

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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.