Home / 439,569.09-659,453.09-140,066.73

Finding the Fourth Proportional to 439,569.09, 659,453.09 and 140,066.73

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Solution

The fourth proportional to 439,569.09, 659,453.09 and 140,066.73 is: 210,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,569.09 : 659,453.09 = 140,066.73 : x
  2. Step 2: Convert to fraction form
    439,569.09/659,453.09 = 140,066.73/x
  3. Step 3: Cross multiply
    439,569.09x = 659,453.09 × 140,066.73
  4. Step 4: Simplify right side
    439,569.09x = 92,367,437,204.36
  5. Step 5: Solve for x
    x = 92,367,437,204.36/439,569.09
  6. Step 6: Final answer
    x = 210,131.78

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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.