Home / 122,113.52-184,002.40-100,413.04

Finding the Fourth Proportional to 122,113.52, 184,002.40 and 100,413.04

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Solution

The fourth proportional to 122,113.52, 184,002.40 and 100,413.04 is: 151,303.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,113.52 : 184,002.40 = 100,413.04 : x
  2. Step 2: Convert to fraction form
    122,113.52/184,002.40 = 100,413.04/x
  3. Step 3: Cross multiply
    122,113.52x = 184,002.40 × 100,413.04
  4. Step 4: Simplify right side
    122,113.52x = 18,476,240,351.30
  5. Step 5: Solve for x
    x = 18,476,240,351.30/122,113.52
  6. Step 6: Final answer
    x = 151,303.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.