Home / 143,584.25-215,376.30-54,846.72

Finding the Fourth Proportional to 143,584.25, 215,376.30 and 54,846.72

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Solution

The fourth proportional to 143,584.25, 215,376.30 and 54,846.72 is: 82,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,584.25 : 215,376.30 = 54,846.72 : x
  2. Step 2: Convert to fraction form
    143,584.25/215,376.30 = 54,846.72/x
  3. Step 3: Cross multiply
    143,584.25x = 215,376.30 × 54,846.72
  4. Step 4: Simplify right side
    143,584.25x = 11,812,683,620.74
  5. Step 5: Solve for x
    x = 11,812,683,620.74/143,584.25
  6. Step 6: Final answer
    x = 82,270.05

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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.