Home / 148,029.45-221,693.45-84,883.88

Finding the Fourth Proportional to 148,029.45, 221,693.45 and 84,883.88

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Solution

The fourth proportional to 148,029.45, 221,693.45 and 84,883.88 is: 127,124.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,029.45 : 221,693.45 = 84,883.88 : x
  2. Step 2: Convert to fraction form
    148,029.45/221,693.45 = 84,883.88/x
  3. Step 3: Cross multiply
    148,029.45x = 221,693.45 × 84,883.88
  4. Step 4: Simplify right side
    148,029.45x = 18,818,198,673.70
  5. Step 5: Solve for x
    x = 18,818,198,673.70/148,029.45
  6. Step 6: Final answer
    x = 127,124.69

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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.