Home / 167,682.12-251,519.52-78,886.41

Finding the Fourth Proportional to 167,682.12, 251,519.52 and 78,886.41

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Solution

The fourth proportional to 167,682.12, 251,519.52 and 78,886.41 is: 118,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,682.12 : 251,519.52 = 78,886.41 : x
  2. Step 2: Convert to fraction form
    167,682.12/251,519.52 = 78,886.41/x
  3. Step 3: Cross multiply
    167,682.12x = 251,519.52 × 78,886.41
  4. Step 4: Simplify right side
    167,682.12x = 19,841,471,977.72
  5. Step 5: Solve for x
    x = 19,841,471,977.72/167,682.12
  6. Step 6: Final answer
    x = 118,327.89

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1.5x scale

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.