Home / 148,181.36-204,448.44-87,725.44

Finding the Fourth Proportional to 148,181.36, 204,448.44 and 87,725.44

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Solution

The fourth proportional to 148,181.36, 204,448.44 and 87,725.44 is: 121,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,181.36 : 204,448.44 = 87,725.44 : x
  2. Step 2: Convert to fraction form
    148,181.36/204,448.44 = 87,725.44/x
  3. Step 3: Cross multiply
    148,181.36x = 204,448.44 × 87,725.44
  4. Step 4: Simplify right side
    148,181.36x = 17,935,329,356.31
  5. Step 5: Solve for x
    x = 17,935,329,356.31/148,181.36
  6. Step 6: Final answer
    x = 121,036.34

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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.