Home / 119,958.26-165,596.27-79,146.40

Finding the Fourth Proportional to 119,958.26, 165,596.27 and 79,146.40

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Solution

The fourth proportional to 119,958.26, 165,596.27 and 79,146.40 is: 109,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,958.26 : 165,596.27 = 79,146.40 : x
  2. Step 2: Convert to fraction form
    119,958.26/165,596.27 = 79,146.40/x
  3. Step 3: Cross multiply
    119,958.26x = 165,596.27 × 79,146.40
  4. Step 4: Simplify right side
    119,958.26x = 13,106,348,623.93
  5. Step 5: Solve for x
    x = 13,106,348,623.93/119,958.26
  6. Step 6: Final answer
    x = 109,257.58

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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.