Home / 219,635.40-329,076.63-147,453.12

Finding the Fourth Proportional to 219,635.40, 329,076.63 and 147,453.12

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Solution

The fourth proportional to 219,635.40, 329,076.63 and 147,453.12 is: 220,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,635.40 : 329,076.63 = 147,453.12 : x
  2. Step 2: Convert to fraction form
    219,635.40/329,076.63 = 147,453.12/x
  3. Step 3: Cross multiply
    219,635.40x = 329,076.63 × 147,453.12
  4. Step 4: Simplify right side
    219,635.40x = 48,523,375,812.59
  5. Step 5: Solve for x
    x = 48,523,375,812.59/219,635.40
  6. Step 6: Final answer
    x = 220,926.94

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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.