Home / 196,532.12-271,215.24-111,653.84

Finding the Fourth Proportional to 196,532.12, 271,215.24 and 111,653.84

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Solution

The fourth proportional to 196,532.12, 271,215.24 and 111,653.84 is: 154,082.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,532.12 : 271,215.24 = 111,653.84 : x
  2. Step 2: Convert to fraction form
    196,532.12/271,215.24 = 111,653.84/x
  3. Step 3: Cross multiply
    196,532.12x = 271,215.24 × 111,653.84
  4. Step 4: Simplify right side
    196,532.12x = 30,282,223,271.86
  5. Step 5: Solve for x
    x = 30,282,223,271.86/196,532.12
  6. Step 6: Final answer
    x = 154,082.82

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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.