Home / 148,047.40-221,633.70-98,183.80

Finding the Fourth Proportional to 148,047.40, 221,633.70 and 98,183.80

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Solution

The fourth proportional to 148,047.40, 221,633.70 and 98,183.80 is: 146,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,047.40 : 221,633.70 = 98,183.80 : x
  2. Step 2: Convert to fraction form
    148,047.40/221,633.70 = 98,183.80/x
  3. Step 3: Cross multiply
    148,047.40x = 221,633.70 × 98,183.80
  4. Step 4: Simplify right side
    148,047.40x = 21,760,838,874.06
  5. Step 5: Solve for x
    x = 21,760,838,874.06/148,047.40
  6. Step 6: Final answer
    x = 146,985.62

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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.