Home / 348,837.18-481,389.20-195,876.60

Finding the Fourth Proportional to 348,837.18, 481,389.20 and 195,876.60

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Solution

The fourth proportional to 348,837.18, 481,389.20 and 195,876.60 is: 270,306.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,837.18 : 481,389.20 = 195,876.60 : x
  2. Step 2: Convert to fraction form
    348,837.18/481,389.20 = 195,876.60/x
  3. Step 3: Cross multiply
    348,837.18x = 481,389.20 × 195,876.60
  4. Step 4: Simplify right side
    348,837.18x = 94,292,879,772.72
  5. Step 5: Solve for x
    x = 94,292,879,772.72/348,837.18
  6. Step 6: Final answer
    x = 270,306.28

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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.