Home / 147,308.91-220,976.09-40,692.83

Finding the Fourth Proportional to 147,308.91, 220,976.09 and 40,692.83

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Solution

The fourth proportional to 147,308.91, 220,976.09 and 40,692.83 is: 61,042.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,308.91 : 220,976.09 = 40,692.83 : x
  2. Step 2: Convert to fraction form
    147,308.91/220,976.09 = 40,692.83/x
  3. Step 3: Cross multiply
    147,308.91x = 220,976.09 × 40,692.83
  4. Step 4: Simplify right side
    147,308.91x = 8,992,141,308.69
  5. Step 5: Solve for x
    x = 8,992,141,308.69/147,308.91
  6. Step 6: Final answer
    x = 61,042.75

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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.