Home / 162,747.75-244,121.67-78,492.18

Finding the Fourth Proportional to 162,747.75, 244,121.67 and 78,492.18

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Solution

The fourth proportional to 162,747.75, 244,121.67 and 78,492.18 is: 117,738.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,747.75 : 244,121.67 = 78,492.18 : x
  2. Step 2: Convert to fraction form
    162,747.75/244,121.67 = 78,492.18/x
  3. Step 3: Cross multiply
    162,747.75x = 244,121.67 × 78,492.18
  4. Step 4: Simplify right side
    162,747.75x = 19,161,642,063.54
  5. Step 5: Solve for x
    x = 19,161,642,063.54/162,747.75
  6. Step 6: Final answer
    x = 117,738.29

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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.