Home / 180,413.11-248,966.35-99,835.80

Finding the Fourth Proportional to 180,413.11, 248,966.35 and 99,835.80

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Solution

The fourth proportional to 180,413.11, 248,966.35 and 99,835.80 is: 137,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,413.11 : 248,966.35 = 99,835.80 : x
  2. Step 2: Convert to fraction form
    180,413.11/248,966.35 = 99,835.80/x
  3. Step 3: Cross multiply
    180,413.11x = 248,966.35 × 99,835.80
  4. Step 4: Simplify right side
    180,413.11x = 24,855,754,725.33
  5. Step 5: Solve for x
    x = 24,855,754,725.33/180,413.11
  6. Step 6: Final answer
    x = 137,771.33

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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.