Home / 119,049.48-164,295.68-78,693.26

Finding the Fourth Proportional to 119,049.48, 164,295.68 and 78,693.26

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Solution

The fourth proportional to 119,049.48, 164,295.68 and 78,693.26 is: 108,601.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,049.48 : 164,295.68 = 78,693.26 : x
  2. Step 2: Convert to fraction form
    119,049.48/164,295.68 = 78,693.26/x
  3. Step 3: Cross multiply
    119,049.48x = 164,295.68 × 78,693.26
  4. Step 4: Simplify right side
    119,049.48x = 12,928,961,448.17
  5. Step 5: Solve for x
    x = 12,928,961,448.17/119,049.48
  6. Step 6: Final answer
    x = 108,601.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.