Home / 348,135.48-480,422.88-195,172.92

Finding the Fourth Proportional to 348,135.48, 480,422.88 and 195,172.92

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Solution

The fourth proportional to 348,135.48, 480,422.88 and 195,172.92 is: 269,336.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,135.48 : 480,422.88 = 195,172.92 : x
  2. Step 2: Convert to fraction form
    348,135.48/480,422.88 = 195,172.92/x
  3. Step 3: Cross multiply
    348,135.48x = 480,422.88 × 195,172.92
  4. Step 4: Simplify right side
    348,135.48x = 93,765,536,324.41
  5. Step 5: Solve for x
    x = 93,765,536,324.41/348,135.48
  6. Step 6: Final answer
    x = 269,336.34

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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.