Home / 354,025.36-488,558.66-192,880.36

Finding the Fourth Proportional to 354,025.36, 488,558.66 and 192,880.36

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Solution

The fourth proportional to 354,025.36, 488,558.66 and 192,880.36 is: 266,176.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,025.36 : 488,558.66 = 192,880.36 : x
  2. Step 2: Convert to fraction form
    354,025.36/488,558.66 = 192,880.36/x
  3. Step 3: Cross multiply
    354,025.36x = 488,558.66 × 192,880.36
  4. Step 4: Simplify right side
    354,025.36x = 94,233,370,221.92
  5. Step 5: Solve for x
    x = 94,233,370,221.92/354,025.36
  6. Step 6: Final answer
    x = 266,176.89

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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.