Home / 147,394.92-203,405.76-83,736.36

Finding the Fourth Proportional to 147,394.92, 203,405.76 and 83,736.36

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Solution

The fourth proportional to 147,394.92, 203,405.76 and 83,736.36 is: 115,556.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,394.92 : 203,405.76 = 83,736.36 : x
  2. Step 2: Convert to fraction form
    147,394.92/203,405.76 = 83,736.36/x
  3. Step 3: Cross multiply
    147,394.92x = 203,405.76 × 83,736.36
  4. Step 4: Simplify right side
    147,394.92x = 17,032,457,945.43
  5. Step 5: Solve for x
    x = 17,032,457,945.43/147,394.92
  6. Step 6: Final answer
    x = 115,556.61

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1.5x scale

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.