Home / 275,747.90-413,739.63-133,698.20

Finding the Fourth Proportional to 275,747.90, 413,739.63 and 133,698.20

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Solution

The fourth proportional to 275,747.90, 413,739.63 and 133,698.20 is: 200,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,747.90 : 413,739.63 = 133,698.20 : x
  2. Step 2: Convert to fraction form
    275,747.90/413,739.63 = 133,698.20/x
  3. Step 3: Cross multiply
    275,747.90x = 413,739.63 × 133,698.20
  4. Step 4: Simplify right side
    275,747.90x = 55,316,241,730.97
  5. Step 5: Solve for x
    x = 55,316,241,730.97/275,747.90
  6. Step 6: Final answer
    x = 200,604.40

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1.5x scale

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.