Home / 147,748.38-221,622.56-36,940.38

Finding the Fourth Proportional to 147,748.38, 221,622.56 and 36,940.38

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Solution

The fourth proportional to 147,748.38, 221,622.56 and 36,940.38 is: 55,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,748.38 : 221,622.56 = 36,940.38 : x
  2. Step 2: Convert to fraction form
    147,748.38/221,622.56 = 36,940.38/x
  3. Step 3: Cross multiply
    147,748.38x = 221,622.56 × 36,940.38
  4. Step 4: Simplify right side
    147,748.38x = 8,186,821,582.97
  5. Step 5: Solve for x
    x = 8,186,821,582.97/147,748.38
  6. Step 6: Final answer
    x = 55,410.57

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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.