Home / 165,609.92-248,380.05-53,300.18

Finding the Fourth Proportional to 165,609.92, 248,380.05 and 53,300.18

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Solution

The fourth proportional to 165,609.92, 248,380.05 and 53,300.18 is: 79,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,609.92 : 248,380.05 = 53,300.18 : x
  2. Step 2: Convert to fraction form
    165,609.92/248,380.05 = 53,300.18/x
  3. Step 3: Cross multiply
    165,609.92x = 248,380.05 × 53,300.18
  4. Step 4: Simplify right side
    165,609.92x = 13,238,701,994.36
  5. Step 5: Solve for x
    x = 13,238,701,994.36/165,609.92
  6. Step 6: Final answer
    x = 79,939.06

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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.