Home / 227,266.72-313,621.68-142,430.56

Finding the Fourth Proportional to 227,266.72, 313,621.68 and 142,430.56

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Solution

The fourth proportional to 227,266.72, 313,621.68 and 142,430.56 is: 196,550.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,266.72 : 313,621.68 = 142,430.56 : x
  2. Step 2: Convert to fraction form
    227,266.72/313,621.68 = 142,430.56/x
  3. Step 3: Cross multiply
    227,266.72x = 313,621.68 × 142,430.56
  4. Step 4: Simplify right side
    227,266.72x = 44,669,311,510.54
  5. Step 5: Solve for x
    x = 44,669,311,510.54/227,266.72
  6. Step 6: Final answer
    x = 196,550.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.