Home / 183,419.33-275,190.54-71,103.21

Finding the Fourth Proportional to 183,419.33, 275,190.54 and 71,103.21

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Solution

The fourth proportional to 183,419.33, 275,190.54 and 71,103.21 is: 106,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,419.33 : 275,190.54 = 71,103.21 : x
  2. Step 2: Convert to fraction form
    183,419.33/275,190.54 = 71,103.21/x
  3. Step 3: Cross multiply
    183,419.33x = 275,190.54 × 71,103.21
  4. Step 4: Simplify right side
    183,419.33x = 19,566,929,024.16
  5. Step 5: Solve for x
    x = 19,566,929,024.16/183,419.33
  6. Step 6: Final answer
    x = 106,678.67

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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.