Home / 143,764.70-215,660.00-38,582.96

Finding the Fourth Proportional to 143,764.70, 215,660.00 and 38,582.96

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Solution

The fourth proportional to 143,764.70, 215,660.00 and 38,582.96 is: 57,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,764.70 : 215,660.00 = 38,582.96 : x
  2. Step 2: Convert to fraction form
    143,764.70/215,660.00 = 38,582.96/x
  3. Step 3: Cross multiply
    143,764.70x = 215,660.00 × 38,582.96
  4. Step 4: Simplify right side
    143,764.70x = 8,320,800,171.76
  5. Step 5: Solve for x
    x = 8,320,800,171.76/143,764.70
  6. Step 6: Final answer
    x = 57,877.91

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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.