Home / 451,618.13-677,427.50-114,684.05

Finding the Fourth Proportional to 451,618.13, 677,427.50 and 114,684.05

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Solution

The fourth proportional to 451,618.13, 677,427.50 and 114,684.05 is: 172,026.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,618.13 : 677,427.50 = 114,684.05 : x
  2. Step 2: Convert to fraction form
    451,618.13/677,427.50 = 114,684.05/x
  3. Step 3: Cross multiply
    451,618.13x = 677,427.50 × 114,684.05
  4. Step 4: Simplify right side
    451,618.13x = 77,690,131,261.65
  5. Step 5: Solve for x
    x = 77,690,131,261.65/451,618.13
  6. Step 6: Final answer
    x = 172,026.16

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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.