Home / 204,990.84-307,603.04-163,700.28

Finding the Fourth Proportional to 204,990.84, 307,603.04 and 163,700.28

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Solution

The fourth proportional to 204,990.84, 307,603.04 and 163,700.28 is: 245,643.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,990.84 : 307,603.04 = 163,700.28 : x
  2. Step 2: Convert to fraction form
    204,990.84/307,603.04 = 163,700.28/x
  3. Step 3: Cross multiply
    204,990.84x = 307,603.04 × 163,700.28
  4. Step 4: Simplify right side
    204,990.84x = 50,354,702,958.35
  5. Step 5: Solve for x
    x = 50,354,702,958.35/204,990.84
  6. Step 6: Final answer
    x = 245,643.67

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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.