Home / 389,616.70-584,483.45-164,976.70

Finding the Fourth Proportional to 389,616.70, 584,483.45 and 164,976.70

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Solution

The fourth proportional to 389,616.70, 584,483.45 and 164,976.70 is: 247,489.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,616.70 : 584,483.45 = 164,976.70 : x
  2. Step 2: Convert to fraction form
    389,616.70/584,483.45 = 164,976.70/x
  3. Step 3: Cross multiply
    389,616.70x = 584,483.45 × 164,976.70
  4. Step 4: Simplify right side
    389,616.70x = 96,426,150,785.62
  5. Step 5: Solve for x
    x = 96,426,150,785.62/389,616.70
  6. Step 6: Final answer
    x = 247,489.78

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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.