Home / 156,942.40-235,413.60-104,180.80

Finding the Fourth Proportional to 156,942.40, 235,413.60 and 104,180.80

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Solution

The fourth proportional to 156,942.40, 235,413.60 and 104,180.80 is: 156,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,942.40 : 235,413.60 = 104,180.80 : x
  2. Step 2: Convert to fraction form
    156,942.40/235,413.60 = 104,180.80/x
  3. Step 3: Cross multiply
    156,942.40x = 235,413.60 × 104,180.80
  4. Step 4: Simplify right side
    156,942.40x = 24,525,577,178.88
  5. Step 5: Solve for x
    x = 24,525,577,178.88/156,942.40
  6. Step 6: Final answer
    x = 156,271.20

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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.