Home / 275,327.68-380,060.26-195,174.16

Finding the Fourth Proportional to 275,327.68, 380,060.26 and 195,174.16

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Solution

The fourth proportional to 275,327.68, 380,060.26 and 195,174.16 is: 269,416.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,327.68 : 380,060.26 = 195,174.16 : x
  2. Step 2: Convert to fraction form
    275,327.68/380,060.26 = 195,174.16/x
  3. Step 3: Cross multiply
    275,327.68x = 380,060.26 × 195,174.16
  4. Step 4: Simplify right side
    275,327.68x = 74,177,941,994.88
  5. Step 5: Solve for x
    x = 74,177,941,994.88/275,327.68
  6. Step 6: Final answer
    x = 269,416.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.