Home / 255,700.52-383,682.20-196,111.80

Finding the Fourth Proportional to 255,700.52, 383,682.20 and 196,111.80

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Solution

The fourth proportional to 255,700.52, 383,682.20 and 196,111.80 is: 294,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,700.52 : 383,682.20 = 196,111.80 : x
  2. Step 2: Convert to fraction form
    255,700.52/383,682.20 = 196,111.80/x
  3. Step 3: Cross multiply
    255,700.52x = 383,682.20 × 196,111.80
  4. Step 4: Simplify right side
    255,700.52x = 75,244,606,869.96
  5. Step 5: Solve for x
    x = 75,244,606,869.96/255,700.52
  6. Step 6: Final answer
    x = 294,268.49

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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.