Home / 451,916.48-677,879.52-136,376.16

Finding the Fourth Proportional to 451,916.48, 677,879.52 and 136,376.16

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Solution

The fourth proportional to 451,916.48, 677,879.52 and 136,376.16 is: 204,565.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,916.48 : 677,879.52 = 136,376.16 : x
  2. Step 2: Convert to fraction form
    451,916.48/677,879.52 = 136,376.16/x
  3. Step 3: Cross multiply
    451,916.48x = 677,879.52 × 136,376.16
  4. Step 4: Simplify right side
    451,916.48x = 92,446,605,880.24
  5. Step 5: Solve for x
    x = 92,446,605,880.24/451,916.48
  6. Step 6: Final answer
    x = 204,565.69

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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.