Home / 216,017.43-298,093.26-120,505.67

Finding the Fourth Proportional to 216,017.43, 298,093.26 and 120,505.67

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Solution

The fourth proportional to 216,017.43, 298,093.26 and 120,505.67 is: 166,291.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,017.43 : 298,093.26 = 120,505.67 : x
  2. Step 2: Convert to fraction form
    216,017.43/298,093.26 = 120,505.67/x
  3. Step 3: Cross multiply
    216,017.43x = 298,093.26 × 120,505.67
  4. Step 4: Simplify right side
    216,017.43x = 35,921,929,774.84
  5. Step 5: Solve for x
    x = 35,921,929,774.84/216,017.43
  6. Step 6: Final answer
    x = 166,291.81

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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.