Home / 143,546.45-215,240.09-58,080.11

Finding the Fourth Proportional to 143,546.45, 215,240.09 and 58,080.11

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Solution

The fourth proportional to 143,546.45, 215,240.09 and 58,080.11 is: 87,087.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,546.45 : 215,240.09 = 58,080.11 : x
  2. Step 2: Convert to fraction form
    143,546.45/215,240.09 = 58,080.11/x
  3. Step 3: Cross multiply
    143,546.45x = 215,240.09 × 58,080.11
  4. Step 4: Simplify right side
    143,546.45x = 12,501,166,737.01
  5. Step 5: Solve for x
    x = 12,501,166,737.01/143,546.45
  6. Step 6: Final answer
    x = 87,087.96

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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.