Home / 358,172.36-494,279.00-197,039.66

Finding the Fourth Proportional to 358,172.36, 494,279.00 and 197,039.66

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Solution

The fourth proportional to 358,172.36, 494,279.00 and 197,039.66 is: 271,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,172.36 : 494,279.00 = 197,039.66 : x
  2. Step 2: Convert to fraction form
    358,172.36/494,279.00 = 197,039.66/x
  3. Step 3: Cross multiply
    358,172.36x = 494,279.00 × 197,039.66
  4. Step 4: Simplify right side
    358,172.36x = 97,392,565,119.94
  5. Step 5: Solve for x
    x = 97,392,565,119.94/358,172.36
  6. Step 6: Final answer
    x = 271,915.36

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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.