Home / 322,875.20-484,197.60-123,143.36

Finding the Fourth Proportional to 322,875.20, 484,197.60 and 123,143.36

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Solution

The fourth proportional to 322,875.20, 484,197.60 and 123,143.36 is: 184,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,875.20 : 484,197.60 = 123,143.36 : x
  2. Step 2: Convert to fraction form
    322,875.20/484,197.60 = 123,143.36/x
  3. Step 3: Cross multiply
    322,875.20x = 484,197.60 × 123,143.36
  4. Step 4: Simplify right side
    322,875.20x = 59,625,719,367.94
  5. Step 5: Solve for x
    x = 59,625,719,367.94/322,875.20
  6. Step 6: Final answer
    x = 184,671.10

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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.