Home / 358,173.36-494,280.38-197,040.66

Finding the Fourth Proportional to 358,173.36, 494,280.38 and 197,040.66

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Solution

The fourth proportional to 358,173.36, 494,280.38 and 197,040.66 is: 271,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,173.36 : 494,280.38 = 197,040.66 : x
  2. Step 2: Convert to fraction form
    358,173.36/494,280.38 = 197,040.66/x
  3. Step 3: Cross multiply
    358,173.36x = 494,280.38 × 197,040.66
  4. Step 4: Simplify right side
    358,173.36x = 97,393,332,300.25
  5. Step 5: Solve for x
    x = 97,393,332,300.25/358,173.36
  6. Step 6: Final answer
    x = 271,916.74

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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.