Home / 165,987.36-229,081.92-94,378.11

Finding the Fourth Proportional to 165,987.36, 229,081.92 and 94,378.11

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Solution

The fourth proportional to 165,987.36, 229,081.92 and 94,378.11 is: 130,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,987.36 : 229,081.92 = 94,378.11 : x
  2. Step 2: Convert to fraction form
    165,987.36/229,081.92 = 94,378.11/x
  3. Step 3: Cross multiply
    165,987.36x = 229,081.92 × 94,378.11
  4. Step 4: Simplify right side
    165,987.36x = 21,620,318,644.77
  5. Step 5: Solve for x
    x = 21,620,318,644.77/165,987.36
  6. Step 6: Final answer
    x = 130,252.80

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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.