Home / 147,581.44-203,661.48-83,919.28

Finding the Fourth Proportional to 147,581.44, 203,661.48 and 83,919.28

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Solution

The fourth proportional to 147,581.44, 203,661.48 and 83,919.28 is: 115,808.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,581.44 : 203,661.48 = 83,919.28 : x
  2. Step 2: Convert to fraction form
    147,581.44/203,661.48 = 83,919.28/x
  3. Step 3: Cross multiply
    147,581.44x = 203,661.48 × 83,919.28
  4. Step 4: Simplify right side
    147,581.44x = 17,091,124,765.33
  5. Step 5: Solve for x
    x = 17,091,124,765.33/147,581.44
  6. Step 6: Final answer
    x = 115,808.09

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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.