Home / 109,982.30-164,973.45-82,334.30

Finding the Fourth Proportional to 109,982.30, 164,973.45 and 82,334.30

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Solution

The fourth proportional to 109,982.30, 164,973.45 and 82,334.30 is: 123,501.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,982.30 : 164,973.45 = 82,334.30 : x
  2. Step 2: Convert to fraction form
    109,982.30/164,973.45 = 82,334.30/x
  3. Step 3: Cross multiply
    109,982.30x = 164,973.45 × 82,334.30
  4. Step 4: Simplify right side
    109,982.30x = 13,582,973,524.34
  5. Step 5: Solve for x
    x = 13,582,973,524.34/109,982.30
  6. Step 6: Final answer
    x = 123,501.45

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Similar ratio
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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.