Home / 122,855.40-184,283.10-43,972.20

Finding the Fourth Proportional to 122,855.40, 184,283.10 and 43,972.20

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Solution

The fourth proportional to 122,855.40, 184,283.10 and 43,972.20 is: 65,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,855.40 : 184,283.10 = 43,972.20 : x
  2. Step 2: Convert to fraction form
    122,855.40/184,283.10 = 43,972.20/x
  3. Step 3: Cross multiply
    122,855.40x = 184,283.10 × 43,972.20
  4. Step 4: Simplify right side
    122,855.40x = 8,103,333,329.82
  5. Step 5: Solve for x
    x = 8,103,333,329.82/122,855.40
  6. Step 6: Final answer
    x = 65,958.30

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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.