Home / 414,060.06-621,090.23-129,772.66

Finding the Fourth Proportional to 414,060.06, 621,090.23 and 129,772.66

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Solution

The fourth proportional to 414,060.06, 621,090.23 and 129,772.66 is: 194,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,060.06 : 621,090.23 = 129,772.66 : x
  2. Step 2: Convert to fraction form
    414,060.06/621,090.23 = 129,772.66/x
  3. Step 3: Cross multiply
    414,060.06x = 621,090.23 × 129,772.66
  4. Step 4: Simplify right side
    414,060.06x = 80,600,532,170.33
  5. Step 5: Solve for x
    x = 80,600,532,170.33/414,060.06
  6. Step 6: Final answer
    x = 194,659.04

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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.