Home / 165,778.17-248,715.78-53,456.13

Finding the Fourth Proportional to 165,778.17, 248,715.78 and 53,456.13

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Solution

The fourth proportional to 165,778.17, 248,715.78 and 53,456.13 is: 80,199.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,778.17 : 248,715.78 = 53,456.13 : x
  2. Step 2: Convert to fraction form
    165,778.17/248,715.78 = 53,456.13/x
  3. Step 3: Cross multiply
    165,778.17x = 248,715.78 × 53,456.13
  4. Step 4: Simplify right side
    165,778.17x = 13,295,382,243.93
  5. Step 5: Solve for x
    x = 13,295,382,243.93/165,778.17
  6. Step 6: Final answer
    x = 80,199.84

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1.5x scale

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.