Home / 161,731.45-242,597.22-49,405.60

Finding the Fourth Proportional to 161,731.45, 242,597.22 and 49,405.60

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Solution

The fourth proportional to 161,731.45, 242,597.22 and 49,405.60 is: 74,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,731.45 : 242,597.22 = 49,405.60 : x
  2. Step 2: Convert to fraction form
    161,731.45/242,597.22 = 49,405.60/x
  3. Step 3: Cross multiply
    161,731.45x = 242,597.22 × 49,405.60
  4. Step 4: Simplify right side
    161,731.45x = 11,985,661,212.43
  5. Step 5: Solve for x
    x = 11,985,661,212.43/161,731.45
  6. Step 6: Final answer
    x = 74,108.41

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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.