Home / 147,908.20-221,862.30-84,922.60

Finding the Fourth Proportional to 147,908.20, 221,862.30 and 84,922.60

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Solution

The fourth proportional to 147,908.20, 221,862.30 and 84,922.60 is: 127,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,908.20 : 221,862.30 = 84,922.60 : x
  2. Step 2: Convert to fraction form
    147,908.20/221,862.30 = 84,922.60/x
  3. Step 3: Cross multiply
    147,908.20x = 221,862.30 × 84,922.60
  4. Step 4: Simplify right side
    147,908.20x = 18,841,123,357.98
  5. Step 5: Solve for x
    x = 18,841,123,357.98/147,908.20
  6. Step 6: Final answer
    x = 127,383.90

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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.