Home / 326,064.33-449,973.38-196,984.86

Finding the Fourth Proportional to 326,064.33, 449,973.38 and 196,984.86

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Solution

The fourth proportional to 326,064.33, 449,973.38 and 196,984.86 is: 271,841.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,064.33 : 449,973.38 = 196,984.86 : x
  2. Step 2: Convert to fraction form
    326,064.33/449,973.38 = 196,984.86/x
  3. Step 3: Cross multiply
    326,064.33x = 449,973.38 × 196,984.86
  4. Step 4: Simplify right side
    326,064.33x = 88,637,942,278.10
  5. Step 5: Solve for x
    x = 88,637,942,278.10/326,064.33
  6. Step 6: Final answer
    x = 271,841.89

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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.