Home / 215,962.96-298,042.60-120,469.46

Finding the Fourth Proportional to 215,962.96, 298,042.60 and 120,469.46

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Solution

The fourth proportional to 215,962.96, 298,042.60 and 120,469.46 is: 166,255.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,962.96 : 298,042.60 = 120,469.46 : x
  2. Step 2: Convert to fraction form
    215,962.96/298,042.60 = 120,469.46/x
  3. Step 3: Cross multiply
    215,962.96x = 298,042.60 × 120,469.46
  4. Step 4: Simplify right side
    215,962.96x = 35,905,031,079.00
  5. Step 5: Solve for x
    x = 35,905,031,079.00/215,962.96
  6. Step 6: Final answer
    x = 166,255.51

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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.