Home / 240,025.86-331,222.01-143,338.77

Finding the Fourth Proportional to 240,025.86, 331,222.01 and 143,338.77

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Solution

The fourth proportional to 240,025.86, 331,222.01 and 143,338.77 is: 197,799.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,025.86 : 331,222.01 = 143,338.77 : x
  2. Step 2: Convert to fraction form
    240,025.86/331,222.01 = 143,338.77/x
  3. Step 3: Cross multiply
    240,025.86x = 331,222.01 × 143,338.77
  4. Step 4: Simplify right side
    240,025.86x = 47,476,954,793.63
  5. Step 5: Solve for x
    x = 47,476,954,793.63/240,025.86
  6. Step 6: Final answer
    x = 197,799.33

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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.