Home / 165,606.92-248,412.54-72,109.16

Finding the Fourth Proportional to 165,606.92, 248,412.54 and 72,109.16

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Solution

The fourth proportional to 165,606.92, 248,412.54 and 72,109.16 is: 108,164.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,606.92 : 248,412.54 = 72,109.16 : x
  2. Step 2: Convert to fraction form
    165,606.92/248,412.54 = 72,109.16/x
  3. Step 3: Cross multiply
    165,606.92x = 248,412.54 × 72,109.16
  4. Step 4: Simplify right side
    165,606.92x = 17,912,819,592.87
  5. Step 5: Solve for x
    x = 17,912,819,592.87/165,606.92
  6. Step 6: Final answer
    x = 108,164.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.