Home / 136,048.92-187,718.70-82,323.48

Finding the Fourth Proportional to 136,048.92, 187,718.70 and 82,323.48

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Solution

The fourth proportional to 136,048.92, 187,718.70 and 82,323.48 is: 113,588.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,048.92 : 187,718.70 = 82,323.48 : x
  2. Step 2: Convert to fraction form
    136,048.92/187,718.70 = 82,323.48/x
  3. Step 3: Cross multiply
    136,048.92x = 187,718.70 × 82,323.48
  4. Step 4: Simplify right side
    136,048.92x = 15,453,656,645.08
  5. Step 5: Solve for x
    x = 15,453,656,645.08/136,048.92
  6. Step 6: Final answer
    x = 113,588.97

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1.5x scale

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.