Home / 225,749.25-311,582.57-135,125.44

Finding the Fourth Proportional to 225,749.25, 311,582.57 and 135,125.44

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Solution

The fourth proportional to 225,749.25, 311,582.57 and 135,125.44 is: 186,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,749.25 : 311,582.57 = 135,125.44 : x
  2. Step 2: Convert to fraction form
    225,749.25/311,582.57 = 135,125.44/x
  3. Step 3: Cross multiply
    225,749.25x = 311,582.57 × 135,125.44
  4. Step 4: Simplify right side
    225,749.25x = 42,102,730,413.00
  5. Step 5: Solve for x
    x = 42,102,730,413.00/225,749.25
  6. Step 6: Final answer
    x = 186,502.19

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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.