Home / 414,580.52-621,890.24-134,119.64

Finding the Fourth Proportional to 414,580.52, 621,890.24 and 134,119.64

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Solution

The fourth proportional to 414,580.52, 621,890.24 and 134,119.64 is: 201,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,580.52 : 621,890.24 = 134,119.64 : x
  2. Step 2: Convert to fraction form
    414,580.52/621,890.24 = 134,119.64/x
  3. Step 3: Cross multiply
    414,580.52x = 621,890.24 × 134,119.64
  4. Step 4: Simplify right side
    414,580.52x = 83,407,695,108.31
  5. Step 5: Solve for x
    x = 83,407,695,108.31/414,580.52
  6. Step 6: Final answer
    x = 201,185.76

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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.