Home / 145,669.44-201,021.60-82,007.04

Finding the Fourth Proportional to 145,669.44, 201,021.60 and 82,007.04

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Solution

The fourth proportional to 145,669.44, 201,021.60 and 82,007.04 is: 113,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,669.44 : 201,021.60 = 82,007.04 : x
  2. Step 2: Convert to fraction form
    145,669.44/201,021.60 = 82,007.04/x
  3. Step 3: Cross multiply
    145,669.44x = 201,021.60 × 82,007.04
  4. Step 4: Simplify right side
    145,669.44x = 16,485,186,392.06
  5. Step 5: Solve for x
    x = 16,485,186,392.06/145,669.44
  6. Step 6: Final answer
    x = 113,168.46

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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.