Home / 196,837.28-271,650.48-111,949.28

Finding the Fourth Proportional to 196,837.28, 271,650.48 and 111,949.28

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Solution

The fourth proportional to 196,837.28, 271,650.48 and 111,949.28 is: 154,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,837.28 : 271,650.48 = 111,949.28 : x
  2. Step 2: Convert to fraction form
    196,837.28/271,650.48 = 111,949.28/x
  3. Step 3: Cross multiply
    196,837.28x = 271,650.48 × 111,949.28
  4. Step 4: Simplify right side
    196,837.28x = 30,411,075,647.65
  5. Step 5: Solve for x
    x = 30,411,075,647.65/196,837.28
  6. Step 6: Final answer
    x = 154,498.56

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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.