Home / 415,033.20-622,622.70-148,948.20

Finding the Fourth Proportional to 415,033.20, 622,622.70 and 148,948.20

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Solution

The fourth proportional to 415,033.20, 622,622.70 and 148,948.20 is: 223,448.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,033.20 : 622,622.70 = 148,948.20 : x
  2. Step 2: Convert to fraction form
    415,033.20/622,622.70 = 148,948.20/x
  3. Step 3: Cross multiply
    415,033.20x = 622,622.70 × 148,948.20
  4. Step 4: Simplify right side
    415,033.20x = 92,738,530,444.14
  5. Step 5: Solve for x
    x = 92,738,530,444.14/415,033.20
  6. Step 6: Final answer
    x = 223,448.46

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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.