Home / 214,638.60-296,186.46-119,137.78

Finding the Fourth Proportional to 214,638.60, 296,186.46 and 119,137.78

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Solution

The fourth proportional to 214,638.60, 296,186.46 and 119,137.78 is: 164,401.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,638.60 : 296,186.46 = 119,137.78 : x
  2. Step 2: Convert to fraction form
    214,638.60/296,186.46 = 119,137.78/x
  3. Step 3: Cross multiply
    214,638.60x = 296,186.46 × 119,137.78
  4. Step 4: Simplify right side
    214,638.60x = 35,286,997,233.93
  5. Step 5: Solve for x
    x = 35,286,997,233.93/214,638.60
  6. Step 6: Final answer
    x = 164,401.91

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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.