Home / 330,061.23-455,451.26-186,796.33

Finding the Fourth Proportional to 330,061.23, 455,451.26 and 186,796.33

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Solution

The fourth proportional to 330,061.23, 455,451.26 and 186,796.33 is: 257,760.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,061.23 : 455,451.26 = 186,796.33 : x
  2. Step 2: Convert to fraction form
    330,061.23/455,451.26 = 186,796.33/x
  3. Step 3: Cross multiply
    330,061.23x = 455,451.26 × 186,796.33
  4. Step 4: Simplify right side
    330,061.23x = 85,076,621,789.27
  5. Step 5: Solve for x
    x = 85,076,621,789.27/330,061.23
  6. Step 6: Final answer
    x = 257,760.12

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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.