Home / 109,592.20-164,453.10-72,260.20

Finding the Fourth Proportional to 109,592.20, 164,453.10 and 72,260.20

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Solution

The fourth proportional to 109,592.20, 164,453.10 and 72,260.20 is: 108,433.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,592.20 : 164,453.10 = 72,260.20 : x
  2. Step 2: Convert to fraction form
    109,592.20/164,453.10 = 72,260.20/x
  3. Step 3: Cross multiply
    109,592.20x = 164,453.10 × 72,260.20
  4. Step 4: Simplify right side
    109,592.20x = 11,883,413,896.62
  5. Step 5: Solve for x
    x = 11,883,413,896.62/109,592.20
  6. Step 6: Final answer
    x = 108,433.03

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1.5x scale

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.