Home / 203,700.30-281,109.33-123,113.40

Finding the Fourth Proportional to 203,700.30, 281,109.33 and 123,113.40

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Solution

The fourth proportional to 203,700.30, 281,109.33 and 123,113.40 is: 169,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,700.30 : 281,109.33 = 123,113.40 : x
  2. Step 2: Convert to fraction form
    203,700.30/281,109.33 = 123,113.40/x
  3. Step 3: Cross multiply
    203,700.30x = 281,109.33 × 123,113.40
  4. Step 4: Simplify right side
    203,700.30x = 34,608,325,388.02
  5. Step 5: Solve for x
    x = 34,608,325,388.02/203,700.30
  6. Step 6: Final answer
    x = 169,898.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.