Home / 109,675.40-164,412.30-109,608.20

Finding the Fourth Proportional to 109,675.40, 164,412.30 and 109,608.20

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Solution

The fourth proportional to 109,675.40, 164,412.30 and 109,608.20 is: 164,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,675.40 : 164,412.30 = 109,608.20 : x
  2. Step 2: Convert to fraction form
    109,675.40/164,412.30 = 109,608.20/x
  3. Step 3: Cross multiply
    109,675.40x = 164,412.30 × 109,608.20
  4. Step 4: Simplify right side
    109,675.40x = 18,020,936,260.86
  5. Step 5: Solve for x
    x = 18,020,936,260.86/109,675.40
  6. Step 6: Final answer
    x = 164,311.56

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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.