Home / 325,310.93-487,628.09-125,768.37

Finding the Fourth Proportional to 325,310.93, 487,628.09 and 125,768.37

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Solution

The fourth proportional to 325,310.93, 487,628.09 and 125,768.37 is: 188,521.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,310.93 : 487,628.09 = 125,768.37 : x
  2. Step 2: Convert to fraction form
    325,310.93/487,628.09 = 125,768.37/x
  3. Step 3: Cross multiply
    325,310.93x = 487,628.09 × 125,768.37
  4. Step 4: Simplify right side
    325,310.93x = 61,328,190,045.51
  5. Step 5: Solve for x
    x = 61,328,190,045.51/325,310.93
  6. Step 6: Final answer
    x = 188,521.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.