Home / 148,382.21-204,777.50-83,829.06

Finding the Fourth Proportional to 148,382.21, 204,777.50 and 83,829.06

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Solution

The fourth proportional to 148,382.21, 204,777.50 and 83,829.06 is: 115,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,382.21 : 204,777.50 = 83,829.06 : x
  2. Step 2: Convert to fraction form
    148,382.21/204,777.50 = 83,829.06/x
  3. Step 3: Cross multiply
    148,382.21x = 204,777.50 × 83,829.06
  4. Step 4: Simplify right side
    148,382.21x = 17,166,304,915.00
  5. Step 5: Solve for x
    x = 17,166,304,915.00/148,382.21
  6. Step 6: Final answer
    x = 115,689.78

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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.