Home / 451,643.27-677,465.19-114,709.19

Finding the Fourth Proportional to 451,643.27, 677,465.19 and 114,709.19

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Solution

The fourth proportional to 451,643.27, 677,465.19 and 114,709.19 is: 172,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,643.27 : 677,465.19 = 114,709.19 : x
  2. Step 2: Convert to fraction form
    451,643.27/677,465.19 = 114,709.19/x
  3. Step 3: Cross multiply
    451,643.27x = 677,465.19 × 114,709.19
  4. Step 4: Simplify right side
    451,643.27x = 77,711,479,810.77
  5. Step 5: Solve for x
    x = 77,711,479,810.77/451,643.27
  6. Step 6: Final answer
    x = 172,063.85

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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.