Home / 109,724.20-164,586.30-26,618.20

Finding the Fourth Proportional to 109,724.20, 164,586.30 and 26,618.20

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Solution

The fourth proportional to 109,724.20, 164,586.30 and 26,618.20 is: 39,927.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,724.20 : 164,586.30 = 26,618.20 : x
  2. Step 2: Convert to fraction form
    109,724.20/164,586.30 = 26,618.20/x
  3. Step 3: Cross multiply
    109,724.20x = 164,586.30 × 26,618.20
  4. Step 4: Simplify right side
    109,724.20x = 4,380,991,050.66
  5. Step 5: Solve for x
    x = 4,380,991,050.66/109,724.20
  6. Step 6: Final answer
    x = 39,927.30

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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.