Home / 121,308.21-181,937.25-32,540.67

Finding the Fourth Proportional to 121,308.21, 181,937.25 and 32,540.67

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Solution

The fourth proportional to 121,308.21, 181,937.25 and 32,540.67 is: 48,804.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,308.21 : 181,937.25 = 32,540.67 : x
  2. Step 2: Convert to fraction form
    121,308.21/181,937.25 = 32,540.67/x
  3. Step 3: Cross multiply
    121,308.21x = 181,937.25 × 32,540.67
  4. Step 4: Simplify right side
    121,308.21x = 5,920,360,012.96
  5. Step 5: Solve for x
    x = 5,920,360,012.96/121,308.21
  6. Step 6: Final answer
    x = 48,804.28

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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.