Home / 358,220.75-494,344.63-197,072.33

Finding the Fourth Proportional to 358,220.75, 494,344.63 and 197,072.33

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Solution

The fourth proportional to 358,220.75, 494,344.63 and 197,072.33 is: 271,959.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,220.75 : 494,344.63 = 197,072.33 : x
  2. Step 2: Convert to fraction form
    358,220.75/494,344.63 = 197,072.33/x
  3. Step 3: Cross multiply
    358,220.75x = 494,344.63 × 197,072.33
  4. Step 4: Simplify right side
    358,220.75x = 97,421,648,800.27
  5. Step 5: Solve for x
    x = 97,421,648,800.27/358,220.75
  6. Step 6: Final answer
    x = 271,959.82

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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.