Home / 119,405.07-164,847.26-79,173.51

Finding the Fourth Proportional to 119,405.07, 164,847.26 and 79,173.51

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Solution

The fourth proportional to 119,405.07, 164,847.26 and 79,173.51 is: 109,304.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,405.07 : 164,847.26 = 79,173.51 : x
  2. Step 2: Convert to fraction form
    119,405.07/164,847.26 = 79,173.51/x
  3. Step 3: Cross multiply
    119,405.07x = 164,847.26 × 79,173.51
  4. Step 4: Simplify right side
    119,405.07x = 13,051,536,188.08
  5. Step 5: Solve for x
    x = 13,051,536,188.08/119,405.07
  6. Step 6: Final answer
    x = 109,304.71

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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.