Home / 104,413.40-156,620.10-75,107.60

Finding the Fourth Proportional to 104,413.40, 156,620.10 and 75,107.60

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Solution

The fourth proportional to 104,413.40, 156,620.10 and 75,107.60 is: 112,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,413.40 : 156,620.10 = 75,107.60 : x
  2. Step 2: Convert to fraction form
    104,413.40/156,620.10 = 75,107.60/x
  3. Step 3: Cross multiply
    104,413.40x = 156,620.10 × 75,107.60
  4. Step 4: Simplify right side
    104,413.40x = 11,763,359,822.76
  5. Step 5: Solve for x
    x = 11,763,359,822.76/104,413.40
  6. Step 6: Final answer
    x = 112,661.40

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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.