Home / 354,961.50-489,844.38-193,816.44

Finding the Fourth Proportional to 354,961.50, 489,844.38 and 193,816.44

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Solution

The fourth proportional to 354,961.50, 489,844.38 and 193,816.44 is: 267,465.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,961.50 : 489,844.38 = 193,816.44 : x
  2. Step 2: Convert to fraction form
    354,961.50/489,844.38 = 193,816.44/x
  3. Step 3: Cross multiply
    354,961.50x = 489,844.38 × 193,816.44
  4. Step 4: Simplify right side
    354,961.50x = 94,939,893,885.61
  5. Step 5: Solve for x
    x = 94,939,893,885.61/354,961.50
  6. Step 6: Final answer
    x = 267,465.33

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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.