Home / 354,514.28-489,231.22-193,372.76

Finding the Fourth Proportional to 354,514.28, 489,231.22 and 193,372.76

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Solution

The fourth proportional to 354,514.28, 489,231.22 and 193,372.76 is: 266,855.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,514.28 : 489,231.22 = 193,372.76 : x
  2. Step 2: Convert to fraction form
    354,514.28/489,231.22 = 193,372.76/x
  3. Step 3: Cross multiply
    354,514.28x = 489,231.22 × 193,372.76
  4. Step 4: Simplify right side
    354,514.28x = 94,603,991,289.57
  5. Step 5: Solve for x
    x = 94,603,991,289.57/354,514.28
  6. Step 6: Final answer
    x = 266,855.23

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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.