Home / 216,023.22-298,126.44-120,532.05

Finding the Fourth Proportional to 216,023.22, 298,126.44 and 120,532.05

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Solution

The fourth proportional to 216,023.22, 298,126.44 and 120,532.05 is: 166,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,023.22 : 298,126.44 = 120,532.05 : x
  2. Step 2: Convert to fraction form
    216,023.22/298,126.44 = 120,532.05/x
  3. Step 3: Cross multiply
    216,023.22x = 298,126.44 × 120,532.05
  4. Step 4: Simplify right side
    216,023.22x = 35,933,790,972.40
  5. Step 5: Solve for x
    x = 35,933,790,972.40/216,023.22
  6. Step 6: Final answer
    x = 166,342.26

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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.