Home / 325,072.46-487,630.56-125,394.50

Finding the Fourth Proportional to 325,072.46, 487,630.56 and 125,394.50

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Solution

The fourth proportional to 325,072.46, 487,630.56 and 125,394.50 is: 188,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,072.46 : 487,630.56 = 125,394.50 : x
  2. Step 2: Convert to fraction form
    325,072.46/487,630.56 = 125,394.50/x
  3. Step 3: Cross multiply
    325,072.46x = 487,630.56 × 125,394.50
  4. Step 4: Simplify right side
    325,072.46x = 61,146,190,255.92
  5. Step 5: Solve for x
    x = 61,146,190,255.92/325,072.46
  6. Step 6: Final answer
    x = 188,100.19

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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.