Home / 125,537.26-188,305.62-78,822.94

Finding the Fourth Proportional to 125,537.26, 188,305.62 and 78,822.94

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Solution

The fourth proportional to 125,537.26, 188,305.62 and 78,822.94 is: 118,234.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,537.26 : 188,305.62 = 78,822.94 : x
  2. Step 2: Convert to fraction form
    125,537.26/188,305.62 = 78,822.94/x
  3. Step 3: Cross multiply
    125,537.26x = 188,305.62 × 78,822.94
  4. Step 4: Simplify right side
    125,537.26x = 14,842,802,586.92
  5. Step 5: Solve for x
    x = 14,842,802,586.92/125,537.26
  6. Step 6: Final answer
    x = 118,234.24

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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.