Home / 103,782.16-143,219.64-60,183.16

Finding the Fourth Proportional to 103,782.16, 143,219.64 and 60,183.16

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Solution

The fourth proportional to 103,782.16, 143,219.64 and 60,183.16 is: 83,052.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,782.16 : 143,219.64 = 60,183.16 : x
  2. Step 2: Convert to fraction form
    103,782.16/143,219.64 = 60,183.16/x
  3. Step 3: Cross multiply
    103,782.16x = 143,219.64 × 60,183.16
  4. Step 4: Simplify right side
    103,782.16x = 8,619,410,509.26
  5. Step 5: Solve for x
    x = 8,619,410,509.26/103,782.16
  6. Step 6: Final answer
    x = 83,052.91

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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.