Home / 209,236.33-313,848.69-76,119.04

Finding the Fourth Proportional to 209,236.33, 313,848.69 and 76,119.04

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Solution

The fourth proportional to 209,236.33, 313,848.69 and 76,119.04 is: 114,176.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,236.33 : 313,848.69 = 76,119.04 : x
  2. Step 2: Convert to fraction form
    209,236.33/313,848.69 = 76,119.04/x
  3. Step 3: Cross multiply
    209,236.33x = 313,848.69 × 76,119.04
  4. Step 4: Simplify right side
    209,236.33x = 23,889,860,988.06
  5. Step 5: Solve for x
    x = 23,889,860,988.06/209,236.33
  6. Step 6: Final answer
    x = 114,176.45

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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.