Home / 415,026.20-622,612.20-148,941.20

Finding the Fourth Proportional to 415,026.20, 622,612.20 and 148,941.20

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Solution

The fourth proportional to 415,026.20, 622,612.20 and 148,941.20 is: 223,437.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,026.20 : 622,612.20 = 148,941.20 : x
  2. Step 2: Convert to fraction form
    415,026.20/622,612.20 = 148,941.20/x
  3. Step 3: Cross multiply
    415,026.20x = 622,612.20 × 148,941.20
  4. Step 4: Simplify right side
    415,026.20x = 92,732,608,202.64
  5. Step 5: Solve for x
    x = 92,732,608,202.64/415,026.20
  6. Step 6: Final answer
    x = 223,437.96

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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.