Home / 212,021.24-292,467.48-132,395

Finding the Fourth Proportional to 212,021.24, 292,467.48 and 132,395

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Solution

The fourth proportional to 212,021.24, 292,467.48 and 132,395 is: 182,629.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,021.24 : 292,467.48 = 132,395 : x
  2. Step 2: Convert to fraction form
    212,021.24/292,467.48 = 132,395/x
  3. Step 3: Cross multiply
    212,021.24x = 292,467.48 × 132,395
  4. Step 4: Simplify right side
    212,021.24x = 38,721,232,014.60
  5. Step 5: Solve for x
    x = 38,721,232,014.60/212,021.24
  6. Step 6: Final answer
    x = 182,629.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.