Home / 171,490.09-236,524.24-103,436.12

Finding the Fourth Proportional to 171,490.09, 236,524.24 and 103,436.12

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Solution

The fourth proportional to 171,490.09, 236,524.24 and 103,436.12 is: 142,662.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,490.09 : 236,524.24 = 103,436.12 : x
  2. Step 2: Convert to fraction form
    171,490.09/236,524.24 = 103,436.12/x
  3. Step 3: Cross multiply
    171,490.09x = 236,524.24 × 103,436.12
  4. Step 4: Simplify right side
    171,490.09x = 24,465,147,971.75
  5. Step 5: Solve for x
    x = 24,465,147,971.75/171,490.09
  6. Step 6: Final answer
    x = 142,662.17

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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.