Home / 231,205.58-318,856.34-192,571.68

Finding the Fourth Proportional to 231,205.58, 318,856.34 and 192,571.68

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Solution

The fourth proportional to 231,205.58, 318,856.34 and 192,571.68 is: 265,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,205.58 : 318,856.34 = 192,571.68 : x
  2. Step 2: Convert to fraction form
    231,205.58/318,856.34 = 192,571.68/x
  3. Step 3: Cross multiply
    231,205.58x = 318,856.34 × 192,571.68
  4. Step 4: Simplify right side
    231,205.58x = 61,402,701,072.45
  5. Step 5: Solve for x
    x = 61,402,701,072.45/231,205.58
  6. Step 6: Final answer
    x = 265,576.21

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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.