Home / 148,135.20-221,554.80-132,453.60

Finding the Fourth Proportional to 148,135.20, 221,554.80 and 132,453.60

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Solution

The fourth proportional to 148,135.20, 221,554.80 and 132,453.60 is: 198,101.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,135.20 : 221,554.80 = 132,453.60 : x
  2. Step 2: Convert to fraction form
    148,135.20/221,554.80 = 132,453.60/x
  3. Step 3: Cross multiply
    148,135.20x = 221,554.80 × 132,453.60
  4. Step 4: Simplify right side
    148,135.20x = 29,345,730,857.28
  5. Step 5: Solve for x
    x = 29,345,730,857.28/148,135.20
  6. Step 6: Final answer
    x = 198,101.00

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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.