Home / 372,542.65-558,897.31-135,885.33

Finding the Fourth Proportional to 372,542.65, 558,897.31 and 135,885.33

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Solution

The fourth proportional to 372,542.65, 558,897.31 and 135,885.33 is: 203,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,542.65 : 558,897.31 = 135,885.33 : x
  2. Step 2: Convert to fraction form
    372,542.65/558,897.31 = 135,885.33/x
  3. Step 3: Cross multiply
    372,542.65x = 558,897.31 × 135,885.33
  4. Step 4: Simplify right side
    372,542.65x = 75,945,945,405.46
  5. Step 5: Solve for x
    x = 75,945,945,405.46/372,542.65
  6. Step 6: Final answer
    x = 203,858.39

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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.