Home / 120,380.33-180,527.91-34,973.42

Finding the Fourth Proportional to 120,380.33, 180,527.91 and 34,973.42

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Solution

The fourth proportional to 120,380.33, 180,527.91 and 34,973.42 is: 52,447.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,380.33 : 180,527.91 = 34,973.42 : x
  2. Step 2: Convert to fraction form
    120,380.33/180,527.91 = 34,973.42/x
  3. Step 3: Cross multiply
    120,380.33x = 180,527.91 × 34,973.42
  4. Step 4: Simplify right side
    120,380.33x = 6,313,678,243.29
  5. Step 5: Solve for x
    x = 6,313,678,243.29/120,380.33
  6. Step 6: Final answer
    x = 52,447.76

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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.