Home / 171,121.60-236,135.82-99,496.54

Finding the Fourth Proportional to 171,121.60, 236,135.82 and 99,496.54

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Solution

The fourth proportional to 171,121.60, 236,135.82 and 99,496.54 is: 137,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,121.60 : 236,135.82 = 99,496.54 : x
  2. Step 2: Convert to fraction form
    171,121.60/236,135.82 = 99,496.54/x
  3. Step 3: Cross multiply
    171,121.60x = 236,135.82 × 99,496.54
  4. Step 4: Simplify right side
    171,121.60x = 23,494,697,060.06
  5. Step 5: Solve for x
    x = 23,494,697,060.06/171,121.60
  6. Step 6: Final answer
    x = 137,298.25

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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.