Home / 216,005.56-298,086.48-120,512.04

Finding the Fourth Proportional to 216,005.56, 298,086.48 and 120,512.04

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Solution

The fourth proportional to 216,005.56, 298,086.48 and 120,512.04 is: 166,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,005.56 : 298,086.48 = 120,512.04 : x
  2. Step 2: Convert to fraction form
    216,005.56/298,086.48 = 120,512.04/x
  3. Step 3: Cross multiply
    216,005.56x = 298,086.48 × 120,512.04
  4. Step 4: Simplify right side
    216,005.56x = 35,923,009,801.22
  5. Step 5: Solve for x
    x = 35,923,009,801.22/216,005.56
  6. Step 6: Final answer
    x = 166,305.95

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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.