Home / 301,215.04-451,528.79-143,401.12

Finding the Fourth Proportional to 301,215.04, 451,528.79 and 143,401.12

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Solution

The fourth proportional to 301,215.04, 451,528.79 and 143,401.12 is: 214,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,215.04 : 451,528.79 = 143,401.12 : x
  2. Step 2: Convert to fraction form
    301,215.04/451,528.79 = 143,401.12/x
  3. Step 3: Cross multiply
    301,215.04x = 451,528.79 × 143,401.12
  4. Step 4: Simplify right side
    301,215.04x = 64,749,731,940.60
  5. Step 5: Solve for x
    x = 64,749,731,940.60/301,215.04
  6. Step 6: Final answer
    x = 214,961.82

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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.