Home / 193,396.33-289,814.10-137,346.22

Finding the Fourth Proportional to 193,396.33, 289,814.10 and 137,346.22

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Solution

The fourth proportional to 193,396.33, 289,814.10 and 137,346.22 is: 205,820.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,396.33 : 289,814.10 = 137,346.22 : x
  2. Step 2: Convert to fraction form
    193,396.33/289,814.10 = 137,346.22/x
  3. Step 3: Cross multiply
    193,396.33x = 289,814.10 × 137,346.22
  4. Step 4: Simplify right side
    193,396.33x = 39,804,871,137.70
  5. Step 5: Solve for x
    x = 39,804,871,137.70/193,396.33
  6. Step 6: Final answer
    x = 205,820.20

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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.