Home / 182,442.12-251,830.26-106,989

Finding the Fourth Proportional to 182,442.12, 251,830.26 and 106,989

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Solution

The fourth proportional to 182,442.12, 251,830.26 and 106,989 is: 147,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,442.12 : 251,830.26 = 106,989 : x
  2. Step 2: Convert to fraction form
    182,442.12/251,830.26 = 106,989/x
  3. Step 3: Cross multiply
    182,442.12x = 251,830.26 × 106,989
  4. Step 4: Simplify right side
    182,442.12x = 26,943,067,687.14
  5. Step 5: Solve for x
    x = 26,943,067,687.14/182,442.12
  6. Step 6: Final answer
    x = 147,680.08

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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.