Home / 123,032.30-184,449.90-113,190.80

Finding the Fourth Proportional to 123,032.30, 184,449.90 and 113,190.80

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Solution

The fourth proportional to 123,032.30, 184,449.90 and 113,190.80 is: 169,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,032.30 : 184,449.90 = 113,190.80 : x
  2. Step 2: Convert to fraction form
    123,032.30/184,449.90 = 113,190.80/x
  3. Step 3: Cross multiply
    123,032.30x = 184,449.90 × 113,190.80
  4. Step 4: Simplify right side
    123,032.30x = 20,878,031,740.92
  5. Step 5: Solve for x
    x = 20,878,031,740.92/123,032.30
  6. Step 6: Final answer
    x = 169,695.53

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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.