Home / 399,186.36-598,558.01-132,801.46

Finding the Fourth Proportional to 399,186.36, 598,558.01 and 132,801.46

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Solution

The fourth proportional to 399,186.36, 598,558.01 and 132,801.46 is: 199,128.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,186.36 : 598,558.01 = 132,801.46 : x
  2. Step 2: Convert to fraction form
    399,186.36/598,558.01 = 132,801.46/x
  3. Step 3: Cross multiply
    399,186.36x = 598,558.01 × 132,801.46
  4. Step 4: Simplify right side
    399,186.36x = 79,489,375,462.29
  5. Step 5: Solve for x
    x = 79,489,375,462.29/399,186.36
  6. Step 6: Final answer
    x = 199,128.49

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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.