Home / 355,092.60-531,947.70-214,433.40

Finding the Fourth Proportional to 355,092.60, 531,947.70 and 214,433.40

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Solution

The fourth proportional to 355,092.60, 531,947.70 and 214,433.40 is: 321,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,092.60 : 531,947.70 = 214,433.40 : x
  2. Step 2: Convert to fraction form
    355,092.60/531,947.70 = 214,433.40/x
  3. Step 3: Cross multiply
    355,092.60x = 531,947.70 × 214,433.40
  4. Step 4: Simplify right side
    355,092.60x = 114,067,353,933.18
  5. Step 5: Solve for x
    x = 114,067,353,933.18/355,092.60
  6. Step 6: Final answer
    x = 321,232.70

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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.