Home / 120,740.82-181,070.22-41,836.64

Finding the Fourth Proportional to 120,740.82, 181,070.22 and 41,836.64

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Solution

The fourth proportional to 120,740.82, 181,070.22 and 41,836.64 is: 62,740.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,740.82 : 181,070.22 = 41,836.64 : x
  2. Step 2: Convert to fraction form
    120,740.82/181,070.22 = 41,836.64/x
  3. Step 3: Cross multiply
    120,740.82x = 181,070.22 × 41,836.64
  4. Step 4: Simplify right side
    120,740.82x = 7,575,369,608.86
  5. Step 5: Solve for x
    x = 7,575,369,608.86/120,740.82
  6. Step 6: Final answer
    x = 62,740.75

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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.