Home / 168,589.80-232,670-92,120.50

Finding the Fourth Proportional to 168,589.80, 232,670 and 92,120.50

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Solution

The fourth proportional to 168,589.80, 232,670 and 92,120.50 is: 127,135.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,589.80 : 232,670 = 92,120.50 : x
  2. Step 2: Convert to fraction form
    168,589.80/232,670 = 92,120.50/x
  3. Step 3: Cross multiply
    168,589.80x = 232,670 × 92,120.50
  4. Step 4: Simplify right side
    168,589.80x = 21,433,676,735
  5. Step 5: Solve for x
    x = 21,433,676,735/168,589.80
  6. Step 6: Final answer
    x = 127,135.07

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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.