Home / 113,902.69-170,715.53-80,632.35

Finding the Fourth Proportional to 113,902.69, 170,715.53 and 80,632.35

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Solution

The fourth proportional to 113,902.69, 170,715.53 and 80,632.35 is: 120,850.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,902.69 : 170,715.53 = 80,632.35 : x
  2. Step 2: Convert to fraction form
    113,902.69/170,715.53 = 80,632.35/x
  3. Step 3: Cross multiply
    113,902.69x = 170,715.53 × 80,632.35
  4. Step 4: Simplify right side
    113,902.69x = 13,765,194,365.40
  5. Step 5: Solve for x
    x = 13,765,194,365.40/113,902.69
  6. Step 6: Final answer
    x = 120,850.48

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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.