Home / 147,897.28-221,735.21-47,997.86

Finding the Fourth Proportional to 147,897.28, 221,735.21 and 47,997.86

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Solution

The fourth proportional to 147,897.28, 221,735.21 and 47,997.86 is: 71,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,897.28 : 221,735.21 = 47,997.86 : x
  2. Step 2: Convert to fraction form
    147,897.28/221,735.21 = 47,997.86/x
  3. Step 3: Cross multiply
    147,897.28x = 221,735.21 × 47,997.86
  4. Step 4: Simplify right side
    147,897.28x = 10,642,814,217.99
  5. Step 5: Solve for x
    x = 10,642,814,217.99/147,897.28
  6. Step 6: Final answer
    x = 71,960.85

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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.