Home / 216,117.01-298,229.34-120,629.86

Finding the Fourth Proportional to 216,117.01, 298,229.34 and 120,629.86

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Solution

The fourth proportional to 216,117.01, 298,229.34 and 120,629.86 is: 166,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,117.01 : 298,229.34 = 120,629.86 : x
  2. Step 2: Convert to fraction form
    216,117.01/298,229.34 = 120,629.86/x
  3. Step 3: Cross multiply
    216,117.01x = 298,229.34 × 120,629.86
  4. Step 4: Simplify right side
    216,117.01x = 35,975,363,238.88
  5. Step 5: Solve for x
    x = 35,975,363,238.88/216,117.01
  6. Step 6: Final answer
    x = 166,462.43

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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.