Home / 146,822.58-202,580.31-86,395.86

Finding the Fourth Proportional to 146,822.58, 202,580.31 and 86,395.86

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Solution

The fourth proportional to 146,822.58, 202,580.31 and 86,395.86 is: 119,205.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,822.58 : 202,580.31 = 86,395.86 : x
  2. Step 2: Convert to fraction form
    146,822.58/202,580.31 = 86,395.86/x
  3. Step 3: Cross multiply
    146,822.58x = 202,580.31 × 86,395.86
  4. Step 4: Simplify right side
    146,822.58x = 17,502,100,101.52
  5. Step 5: Solve for x
    x = 17,502,100,101.52/146,822.58
  6. Step 6: Final answer
    x = 119,205.78

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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.