Home / 216,126.36-298,218.70-120,633.03

Finding the Fourth Proportional to 216,126.36, 298,218.70 and 120,633.03

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Solution

The fourth proportional to 216,126.36, 298,218.70 and 120,633.03 is: 166,453.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,126.36 : 298,218.70 = 120,633.03 : x
  2. Step 2: Convert to fraction form
    216,126.36/298,218.70 = 120,633.03/x
  3. Step 3: Cross multiply
    216,126.36x = 298,218.70 × 120,633.03
  4. Step 4: Simplify right side
    216,126.36x = 35,975,025,383.66
  5. Step 5: Solve for x
    x = 35,975,025,383.66/216,126.36
  6. Step 6: Final answer
    x = 166,453.67

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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.