Home / 165,979.86-229,071.57-94,370.61

Finding the Fourth Proportional to 165,979.86, 229,071.57 and 94,370.61

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Solution

The fourth proportional to 165,979.86, 229,071.57 and 94,370.61 is: 130,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,979.86 : 229,071.57 = 94,370.61 : x
  2. Step 2: Convert to fraction form
    165,979.86/229,071.57 = 94,370.61/x
  3. Step 3: Cross multiply
    165,979.86x = 229,071.57 × 94,370.61
  4. Step 4: Simplify right side
    165,979.86x = 21,617,623,794.56
  5. Step 5: Solve for x
    x = 21,617,623,794.56/165,979.86
  6. Step 6: Final answer
    x = 130,242.45

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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.