Home / 313,724.49-470,378.69-114,021.15

Finding the Fourth Proportional to 313,724.49, 470,378.69 and 114,021.15

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Solution

The fourth proportional to 313,724.49, 470,378.69 and 114,021.15 is: 170,956.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,724.49 : 470,378.69 = 114,021.15 : x
  2. Step 2: Convert to fraction form
    313,724.49/470,378.69 = 114,021.15/x
  3. Step 3: Cross multiply
    313,724.49x = 470,378.69 × 114,021.15
  4. Step 4: Simplify right side
    313,724.49x = 53,633,119,169.29
  5. Step 5: Solve for x
    x = 53,633,119,169.29/313,724.49
  6. Step 6: Final answer
    x = 170,956.11

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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.