Home / 171,580.21-236,786.76-103,583.90

Finding the Fourth Proportional to 171,580.21, 236,786.76 and 103,583.90

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Solution

The fourth proportional to 171,580.21, 236,786.76 and 103,583.90 is: 142,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,580.21 : 236,786.76 = 103,583.90 : x
  2. Step 2: Convert to fraction form
    171,580.21/236,786.76 = 103,583.90/x
  3. Step 3: Cross multiply
    171,580.21x = 236,786.76 × 103,583.90
  4. Step 4: Simplify right side
    171,580.21x = 24,527,296,069.16
  5. Step 5: Solve for x
    x = 24,527,296,069.16/171,580.21
  6. Step 6: Final answer
    x = 142,949.45

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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.