Home / 255,633.38-352,757.94-140,905.68

Finding the Fourth Proportional to 255,633.38, 352,757.94 and 140,905.68

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Solution

The fourth proportional to 255,633.38, 352,757.94 and 140,905.68 is: 194,440.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,633.38 : 352,757.94 = 140,905.68 : x
  2. Step 2: Convert to fraction form
    255,633.38/352,757.94 = 140,905.68/x
  3. Step 3: Cross multiply
    255,633.38x = 352,757.94 × 140,905.68
  4. Step 4: Simplify right side
    255,633.38x = 49,705,595,559.86
  5. Step 5: Solve for x
    x = 49,705,595,559.86/255,633.38
  6. Step 6: Final answer
    x = 194,440.94

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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.