Home / 196,369.40-294,554.10-71,694.20

Finding the Fourth Proportional to 196,369.40, 294,554.10 and 71,694.20

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Solution

The fourth proportional to 196,369.40, 294,554.10 and 71,694.20 is: 107,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,369.40 : 294,554.10 = 71,694.20 : x
  2. Step 2: Convert to fraction form
    196,369.40/294,554.10 = 71,694.20/x
  3. Step 3: Cross multiply
    196,369.40x = 294,554.10 × 71,694.20
  4. Step 4: Simplify right side
    196,369.40x = 21,117,820,556.22
  5. Step 5: Solve for x
    x = 21,117,820,556.22/196,369.40
  6. Step 6: Final answer
    x = 107,541.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.