Home / 358,120.04-494,205.92-196,987.35

Finding the Fourth Proportional to 358,120.04, 494,205.92 and 196,987.35

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Solution

The fourth proportional to 358,120.04, 494,205.92 and 196,987.35 is: 271,842.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,120.04 : 494,205.92 = 196,987.35 : x
  2. Step 2: Convert to fraction form
    358,120.04/494,205.92 = 196,987.35/x
  3. Step 3: Cross multiply
    358,120.04x = 494,205.92 × 196,987.35
  4. Step 4: Simplify right side
    358,120.04x = 97,352,313,550.18
  5. Step 5: Solve for x
    x = 97,352,313,550.18/358,120.04
  6. Step 6: Final answer
    x = 271,842.69

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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.