Home / 114,183.78-157,605.24-66,446.33

Finding the Fourth Proportional to 114,183.78, 157,605.24 and 66,446.33

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Solution

The fourth proportional to 114,183.78, 157,605.24 and 66,446.33 is: 91,714.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,183.78 : 157,605.24 = 66,446.33 : x
  2. Step 2: Convert to fraction form
    114,183.78/157,605.24 = 66,446.33/x
  3. Step 3: Cross multiply
    114,183.78x = 157,605.24 × 66,446.33
  4. Step 4: Simplify right side
    114,183.78x = 10,472,289,247.92
  5. Step 5: Solve for x
    x = 10,472,289,247.92/114,183.78
  6. Step 6: Final answer
    x = 91,714.34

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1.5x scale

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.