Home / 358,004.69-494,029.55-196,866.53

Finding the Fourth Proportional to 358,004.69, 494,029.55 and 196,866.53

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Solution

The fourth proportional to 358,004.69, 494,029.55 and 196,866.53 is: 271,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,004.69 : 494,029.55 = 196,866.53 : x
  2. Step 2: Convert to fraction form
    358,004.69/494,029.55 = 196,866.53/x
  3. Step 3: Cross multiply
    358,004.69x = 494,029.55 × 196,866.53
  4. Step 4: Simplify right side
    358,004.69x = 97,257,879,771.48
  5. Step 5: Solve for x
    x = 97,257,879,771.48/358,004.69
  6. Step 6: Final answer
    x = 271,666.50

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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.