Home / 140,248.51-193,542.77-82,908.50

Finding the Fourth Proportional to 140,248.51, 193,542.77 and 82,908.50

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Solution

The fourth proportional to 140,248.51, 193,542.77 and 82,908.50 is: 114,413.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,248.51 : 193,542.77 = 82,908.50 : x
  2. Step 2: Convert to fraction form
    140,248.51/193,542.77 = 82,908.50/x
  3. Step 3: Cross multiply
    140,248.51x = 193,542.77 × 82,908.50
  4. Step 4: Simplify right side
    140,248.51x = 16,046,339,986.10
  5. Step 5: Solve for x
    x = 16,046,339,986.10/140,248.51
  6. Step 6: Final answer
    x = 114,413.62

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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.