Home / 326,811.64-450,930.10-190,783.85

Finding the Fourth Proportional to 326,811.64, 450,930.10 and 190,783.85

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Solution

The fourth proportional to 326,811.64, 450,930.10 and 190,783.85 is: 263,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,811.64 : 450,930.10 = 190,783.85 : x
  2. Step 2: Convert to fraction form
    326,811.64/450,930.10 = 190,783.85/x
  3. Step 3: Cross multiply
    326,811.64x = 450,930.10 × 190,783.85
  4. Step 4: Simplify right side
    326,811.64x = 86,030,180,558.89
  5. Step 5: Solve for x
    x = 86,030,180,558.89/326,811.64
  6. Step 6: Final answer
    x = 263,240.87

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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.