Home / 143,732.18-215,437.88-63,786.39

Finding the Fourth Proportional to 143,732.18, 215,437.88 and 63,786.39

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Solution

The fourth proportional to 143,732.18, 215,437.88 and 63,786.39 is: 95,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,732.18 : 215,437.88 = 63,786.39 : x
  2. Step 2: Convert to fraction form
    143,732.18/215,437.88 = 63,786.39/x
  3. Step 3: Cross multiply
    143,732.18x = 215,437.88 × 63,786.39
  4. Step 4: Simplify right side
    143,732.18x = 13,742,004,634.45
  5. Step 5: Solve for x
    x = 13,742,004,634.45/143,732.18
  6. Step 6: Final answer
    x = 95,608.41

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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.