Home / 348,314.22-480,772.98-205,156.80

Finding the Fourth Proportional to 348,314.22, 480,772.98 and 205,156.80

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Solution

The fourth proportional to 348,314.22, 480,772.98 and 205,156.80 is: 283,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,314.22 : 480,772.98 = 205,156.80 : x
  2. Step 2: Convert to fraction form
    348,314.22/480,772.98 = 205,156.80/x
  3. Step 3: Cross multiply
    348,314.22x = 480,772.98 × 205,156.80
  4. Step 4: Simplify right side
    348,314.22x = 98,633,846,103.26
  5. Step 5: Solve for x
    x = 98,633,846,103.26/348,314.22
  6. Step 6: Final answer
    x = 283,174.90

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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.