Home / 203,433.44-280,638.42-176,538.20

Finding the Fourth Proportional to 203,433.44, 280,638.42 and 176,538.20

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Solution

The fourth proportional to 203,433.44, 280,638.42 and 176,538.20 is: 243,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,433.44 : 280,638.42 = 176,538.20 : x
  2. Step 2: Convert to fraction form
    203,433.44/280,638.42 = 176,538.20/x
  3. Step 3: Cross multiply
    203,433.44x = 280,638.42 × 176,538.20
  4. Step 4: Simplify right side
    203,433.44x = 49,543,401,517.64
  5. Step 5: Solve for x
    x = 49,543,401,517.64/203,433.44
  6. Step 6: Final answer
    x = 243,536.17

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1.5x scale

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.