Home / 189,413.94-261,308.67-124,800.28

Finding the Fourth Proportional to 189,413.94, 261,308.67 and 124,800.28

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Solution

The fourth proportional to 189,413.94, 261,308.67 and 124,800.28 is: 172,169.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,413.94 : 261,308.67 = 124,800.28 : x
  2. Step 2: Convert to fraction form
    189,413.94/261,308.67 = 124,800.28/x
  3. Step 3: Cross multiply
    189,413.94x = 261,308.67 × 124,800.28
  4. Step 4: Simplify right side
    189,413.94x = 32,611,394,061.15
  5. Step 5: Solve for x
    x = 32,611,394,061.15/189,413.94
  6. Step 6: Final answer
    x = 172,169.98

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1.5x scale

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.