Home / 143,401.36-214,908.28-54,606.44

Finding the Fourth Proportional to 143,401.36, 214,908.28 and 54,606.44

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Solution

The fourth proportional to 143,401.36, 214,908.28 and 54,606.44 is: 81,835.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,401.36 : 214,908.28 = 54,606.44 : x
  2. Step 2: Convert to fraction form
    143,401.36/214,908.28 = 54,606.44/x
  3. Step 3: Cross multiply
    143,401.36x = 214,908.28 × 54,606.44
  4. Step 4: Simplify right side
    143,401.36x = 11,735,376,097.32
  5. Step 5: Solve for x
    x = 11,735,376,097.32/143,401.36
  6. Step 6: Final answer
    x = 81,835.88

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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.