Home / 451,642.51-677,464.07-114,708.43

Finding the Fourth Proportional to 451,642.51, 677,464.07 and 114,708.43

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Solution

The fourth proportional to 451,642.51, 677,464.07 and 114,708.43 is: 172,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,642.51 : 677,464.07 = 114,708.43 : x
  2. Step 2: Convert to fraction form
    451,642.51/677,464.07 = 114,708.43/x
  3. Step 3: Cross multiply
    451,642.51x = 677,464.07 × 114,708.43
  4. Step 4: Simplify right side
    451,642.51x = 77,710,837,583.91
  5. Step 5: Solve for x
    x = 77,710,837,583.91/451,642.51
  6. Step 6: Final answer
    x = 172,062.72

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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.