Home / 122,933.22-169,645.96-69,218.07

Finding the Fourth Proportional to 122,933.22, 169,645.96 and 69,218.07

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Solution

The fourth proportional to 122,933.22, 169,645.96 and 69,218.07 is: 95,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,933.22 : 169,645.96 = 69,218.07 : x
  2. Step 2: Convert to fraction form
    122,933.22/169,645.96 = 69,218.07/x
  3. Step 3: Cross multiply
    122,933.22x = 169,645.96 × 69,218.07
  4. Step 4: Simplify right side
    122,933.22x = 11,742,565,934.50
  5. Step 5: Solve for x
    x = 11,742,565,934.50/122,933.22
  6. Step 6: Final answer
    x = 95,519.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.