Home / 217,783.06-326,605.44-70,004.50

Finding the Fourth Proportional to 217,783.06, 326,605.44 and 70,004.50

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Solution

The fourth proportional to 217,783.06, 326,605.44 and 70,004.50 is: 104,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,783.06 : 326,605.44 = 70,004.50 : x
  2. Step 2: Convert to fraction form
    217,783.06/326,605.44 = 70,004.50/x
  3. Step 3: Cross multiply
    217,783.06x = 326,605.44 × 70,004.50
  4. Step 4: Simplify right side
    217,783.06x = 22,863,850,524.48
  5. Step 5: Solve for x
    x = 22,863,850,524.48/217,783.06
  6. Step 6: Final answer
    x = 104,984.52

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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.