Home / 216,015.72-298,116.03-120,524.49

Finding the Fourth Proportional to 216,015.72, 298,116.03 and 120,524.49

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Solution

The fourth proportional to 216,015.72, 298,116.03 and 120,524.49 is: 166,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,015.72 : 298,116.03 = 120,524.49 : x
  2. Step 2: Convert to fraction form
    216,015.72/298,116.03 = 120,524.49/x
  3. Step 3: Cross multiply
    216,015.72x = 298,116.03 × 120,524.49
  4. Step 4: Simplify right side
    216,015.72x = 35,930,282,476.57
  5. Step 5: Solve for x
    x = 35,930,282,476.57/216,015.72
  6. Step 6: Final answer
    x = 166,331.80

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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.