Home / 384,001.48-575,573.02-143,884.37

Finding the Fourth Proportional to 384,001.48, 575,573.02 and 143,884.37

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Solution

The fourth proportional to 384,001.48, 575,573.02 and 143,884.37 is: 215,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,001.48 : 575,573.02 = 143,884.37 : x
  2. Step 2: Convert to fraction form
    384,001.48/575,573.02 = 143,884.37/x
  3. Step 3: Cross multiply
    384,001.48x = 575,573.02 × 143,884.37
  4. Step 4: Simplify right side
    384,001.48x = 82,815,961,371.70
  5. Step 5: Solve for x
    x = 82,815,961,371.70/384,001.48
  6. Step 6: Final answer
    x = 215,665.73

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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.