Home / 196,861.38-271,668.70-107,437.38

Finding the Fourth Proportional to 196,861.38, 271,668.70 and 107,437.38

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Solution

The fourth proportional to 196,861.38, 271,668.70 and 107,437.38 is: 148,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,861.38 : 271,668.70 = 107,437.38 : x
  2. Step 2: Convert to fraction form
    196,861.38/271,668.70 = 107,437.38/x
  3. Step 3: Cross multiply
    196,861.38x = 271,668.70 × 107,437.38
  4. Step 4: Simplify right side
    196,861.38x = 29,187,373,356.01
  5. Step 5: Solve for x
    x = 29,187,373,356.01/196,861.38
  6. Step 6: Final answer
    x = 148,263.58

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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.