Home / 439,601.05-659,394.42-140,077.59

Finding the Fourth Proportional to 439,601.05, 659,394.42 and 140,077.59

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Solution

The fourth proportional to 439,601.05, 659,394.42 and 140,077.59 is: 210,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,601.05 : 659,394.42 = 140,077.59 : x
  2. Step 2: Convert to fraction form
    439,601.05/659,394.42 = 140,077.59/x
  3. Step 3: Cross multiply
    439,601.05x = 659,394.42 × 140,077.59
  4. Step 4: Simplify right side
    439,601.05x = 92,366,381,213.05
  5. Step 5: Solve for x
    x = 92,366,381,213.05/439,601.05
  6. Step 6: Final answer
    x = 210,114.11

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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.