Home / 156,942.56-235,413.84-51,769.73

Finding the Fourth Proportional to 156,942.56, 235,413.84 and 51,769.73

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Solution

The fourth proportional to 156,942.56, 235,413.84 and 51,769.73 is: 77,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,942.56 : 235,413.84 = 51,769.73 : x
  2. Step 2: Convert to fraction form
    156,942.56/235,413.84 = 51,769.73/x
  3. Step 3: Cross multiply
    156,942.56x = 235,413.84 × 51,769.73
  4. Step 4: Simplify right side
    156,942.56x = 12,187,311,717.73
  5. Step 5: Solve for x
    x = 12,187,311,717.73/156,942.56
  6. Step 6: Final answer
    x = 77,654.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.