Home / 322,877.20-484,200.60-123,145.36

Finding the Fourth Proportional to 322,877.20, 484,200.60 and 123,145.36

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Solution

The fourth proportional to 322,877.20, 484,200.60 and 123,145.36 is: 184,674.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,877.20 : 484,200.60 = 123,145.36 : x
  2. Step 2: Convert to fraction form
    322,877.20/484,200.60 = 123,145.36/x
  3. Step 3: Cross multiply
    322,877.20x = 484,200.60 × 123,145.36
  4. Step 4: Simplify right side
    322,877.20x = 59,627,057,199.22
  5. Step 5: Solve for x
    x = 59,627,057,199.22/322,877.20
  6. Step 6: Final answer
    x = 184,674.10

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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.