Home / 170,192.14-255,288.09-76,588.54

Finding the Fourth Proportional to 170,192.14, 255,288.09 and 76,588.54

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Solution

The fourth proportional to 170,192.14, 255,288.09 and 76,588.54 is: 114,882.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,192.14 : 255,288.09 = 76,588.54 : x
  2. Step 2: Convert to fraction form
    170,192.14/255,288.09 = 76,588.54/x
  3. Step 3: Cross multiply
    170,192.14x = 255,288.09 × 76,588.54
  4. Step 4: Simplify right side
    170,192.14x = 19,552,142,092.49
  5. Step 5: Solve for x
    x = 19,552,142,092.49/170,192.14
  6. Step 6: Final answer
    x = 114,882.76

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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.