Home / 358,024.21-494,086.09-196,891.51

Finding the Fourth Proportional to 358,024.21, 494,086.09 and 196,891.51

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Solution

The fourth proportional to 358,024.21, 494,086.09 and 196,891.51 is: 271,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,024.21 : 494,086.09 = 196,891.51 : x
  2. Step 2: Convert to fraction form
    358,024.21/494,086.09 = 196,891.51/x
  3. Step 3: Cross multiply
    358,024.21x = 494,086.09 × 196,891.51
  4. Step 4: Simplify right side
    358,024.21x = 97,281,356,330.10
  5. Step 5: Solve for x
    x = 97,281,356,330.10/358,024.21
  6. Step 6: Final answer
    x = 271,717.26

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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.