Home / 326,013.39-449,900.10-190,141.56

Finding the Fourth Proportional to 326,013.39, 449,900.10 and 190,141.56

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Solution

The fourth proportional to 326,013.39, 449,900.10 and 190,141.56 is: 262,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,013.39 : 449,900.10 = 190,141.56 : x
  2. Step 2: Convert to fraction form
    326,013.39/449,900.10 = 190,141.56/x
  3. Step 3: Cross multiply
    326,013.39x = 449,900.10 × 190,141.56
  4. Step 4: Simplify right side
    326,013.39x = 85,544,706,858.16
  5. Step 5: Solve for x
    x = 85,544,706,858.16/326,013.39
  6. Step 6: Final answer
    x = 262,396.30

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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.