Home / 164,928.20-247,392.30-122,937.80

Finding the Fourth Proportional to 164,928.20, 247,392.30 and 122,937.80

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Solution

The fourth proportional to 164,928.20, 247,392.30 and 122,937.80 is: 184,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,928.20 : 247,392.30 = 122,937.80 : x
  2. Step 2: Convert to fraction form
    164,928.20/247,392.30 = 122,937.80/x
  3. Step 3: Cross multiply
    164,928.20x = 247,392.30 × 122,937.80
  4. Step 4: Simplify right side
    164,928.20x = 30,413,865,098.94
  5. Step 5: Solve for x
    x = 30,413,865,098.94/164,928.20
  6. Step 6: Final answer
    x = 184,406.70

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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.