Home / 146,459.80-202,117.92-82,801.36

Finding the Fourth Proportional to 146,459.80, 202,117.92 and 82,801.36

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Solution

The fourth proportional to 146,459.80, 202,117.92 and 82,801.36 is: 114,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,459.80 : 202,117.92 = 82,801.36 : x
  2. Step 2: Convert to fraction form
    146,459.80/202,117.92 = 82,801.36/x
  3. Step 3: Cross multiply
    146,459.80x = 202,117.92 × 82,801.36
  4. Step 4: Simplify right side
    146,459.80x = 16,735,638,656.37
  5. Step 5: Solve for x
    x = 16,735,638,656.37/146,459.80
  6. Step 6: Final answer
    x = 114,267.80

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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.