Home / 147,789.84-221,685.24-36,981.84

Finding the Fourth Proportional to 147,789.84, 221,685.24 and 36,981.84

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Solution

The fourth proportional to 147,789.84, 221,685.24 and 36,981.84 is: 55,472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,789.84 : 221,685.24 = 36,981.84 : x
  2. Step 2: Convert to fraction form
    147,789.84/221,685.24 = 36,981.84/x
  3. Step 3: Cross multiply
    147,789.84x = 221,685.24 × 36,981.84
  4. Step 4: Simplify right side
    147,789.84x = 8,198,328,076.04
  5. Step 5: Solve for x
    x = 8,198,328,076.04/147,789.84
  6. Step 6: Final answer
    x = 55,472.88

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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.