Home / 261,242.21-391,604.98-126,056.91

Finding the Fourth Proportional to 261,242.21, 391,604.98 and 126,056.91

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Solution

The fourth proportional to 261,242.21, 391,604.98 and 126,056.91 is: 188,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,242.21 : 391,604.98 = 126,056.91 : x
  2. Step 2: Convert to fraction form
    261,242.21/391,604.98 = 126,056.91/x
  3. Step 3: Cross multiply
    261,242.21x = 391,604.98 × 126,056.91
  4. Step 4: Simplify right side
    261,242.21x = 49,364,512,906.37
  5. Step 5: Solve for x
    x = 49,364,512,906.37/261,242.21
  6. Step 6: Final answer
    x = 188,960.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.