Home / 373,896.05-515,973.92-204,130.18

Finding the Fourth Proportional to 373,896.05, 515,973.92 and 204,130.18

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Solution

The fourth proportional to 373,896.05, 515,973.92 and 204,130.18 is: 281,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,896.05 : 515,973.92 = 204,130.18 : x
  2. Step 2: Convert to fraction form
    373,896.05/515,973.92 = 204,130.18/x
  3. Step 3: Cross multiply
    373,896.05x = 515,973.92 × 204,130.18
  4. Step 4: Simplify right side
    373,896.05x = 105,325,847,619.81
  5. Step 5: Solve for x
    x = 105,325,847,619.81/373,896.05
  6. Step 6: Final answer
    x = 281,698.21

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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.