Home / 166,894.43-230,313.37-90,415.02

Finding the Fourth Proportional to 166,894.43, 230,313.37 and 90,415.02

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Solution

The fourth proportional to 166,894.43, 230,313.37 and 90,415.02 is: 124,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,894.43 : 230,313.37 = 90,415.02 : x
  2. Step 2: Convert to fraction form
    166,894.43/230,313.37 = 90,415.02/x
  3. Step 3: Cross multiply
    166,894.43x = 230,313.37 × 90,415.02
  4. Step 4: Simplify right side
    166,894.43x = 20,823,788,374.53
  5. Step 5: Solve for x
    x = 20,823,788,374.53/166,894.43
  6. Step 6: Final answer
    x = 124,772.22

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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.