Home / 148,243.04-204,573.89-80,258.21

Finding the Fourth Proportional to 148,243.04, 204,573.89 and 80,258.21

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Solution

The fourth proportional to 148,243.04, 204,573.89 and 80,258.21 is: 110,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,243.04 : 204,573.89 = 80,258.21 : x
  2. Step 2: Convert to fraction form
    148,243.04/204,573.89 = 80,258.21/x
  3. Step 3: Cross multiply
    148,243.04x = 204,573.89 × 80,258.21
  4. Step 4: Simplify right side
    148,243.04x = 16,418,732,799.98
  5. Step 5: Solve for x
    x = 16,418,732,799.98/148,243.04
  6. Step 6: Final answer
    x = 110,755.51

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1.5x scale

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.