Home / 389,580.40-583,933.20-164,902.60

Finding the Fourth Proportional to 389,580.40, 583,933.20 and 164,902.60

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Solution

The fourth proportional to 389,580.40, 583,933.20 and 164,902.60 is: 247,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,580.40 : 583,933.20 = 164,902.60 : x
  2. Step 2: Convert to fraction form
    389,580.40/583,933.20 = 164,902.60/x
  3. Step 3: Cross multiply
    389,580.40x = 583,933.20 × 164,902.60
  4. Step 4: Simplify right side
    389,580.40x = 96,292,102,906.32
  5. Step 5: Solve for x
    x = 96,292,102,906.32/389,580.40
  6. Step 6: Final answer
    x = 247,168.76

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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.