Home / 161,824.69-242,684.52-76,422.34

Finding the Fourth Proportional to 161,824.69, 242,684.52 and 76,422.34

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Solution

The fourth proportional to 161,824.69, 242,684.52 and 76,422.34 is: 114,608.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,824.69 : 242,684.52 = 76,422.34 : x
  2. Step 2: Convert to fraction form
    161,824.69/242,684.52 = 76,422.34/x
  3. Step 3: Cross multiply
    161,824.69x = 242,684.52 × 76,422.34
  4. Step 4: Simplify right side
    161,824.69x = 18,546,518,900.18
  5. Step 5: Solve for x
    x = 18,546,518,900.18/161,824.69
  6. Step 6: Final answer
    x = 114,608.71

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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.