Home / 368,629.56-552,615.06-143,937.72

Finding the Fourth Proportional to 368,629.56, 552,615.06 and 143,937.72

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Solution

The fourth proportional to 368,629.56, 552,615.06 and 143,937.72 is: 215,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,629.56 : 552,615.06 = 143,937.72 : x
  2. Step 2: Convert to fraction form
    368,629.56/552,615.06 = 143,937.72/x
  3. Step 3: Cross multiply
    368,629.56x = 552,615.06 × 143,937.72
  4. Step 4: Simplify right side
    368,629.56x = 79,542,151,774.06
  5. Step 5: Solve for x
    x = 79,542,151,774.06/368,629.56
  6. Step 6: Final answer
    x = 215,778.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.