Home / 451,633.27-677,383.95-131,699.17

Finding the Fourth Proportional to 451,633.27, 677,383.95 and 131,699.17

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Solution

The fourth proportional to 451,633.27, 677,383.95 and 131,699.17 is: 197,529.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,633.27 : 677,383.95 = 131,699.17 : x
  2. Step 2: Convert to fraction form
    451,633.27/677,383.95 = 131,699.17/x
  3. Step 3: Cross multiply
    451,633.27x = 677,383.95 × 131,699.17
  4. Step 4: Simplify right side
    451,633.27x = 89,210,903,986.32
  5. Step 5: Solve for x
    x = 89,210,903,986.32/451,633.27
  6. Step 6: Final answer
    x = 197,529.52

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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.