Home / 184,546.80-276,164.10-128,122.20

Finding the Fourth Proportional to 184,546.80, 276,164.10 and 128,122.20

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Solution

The fourth proportional to 184,546.80, 276,164.10 and 128,122.20 is: 191,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,546.80 : 276,164.10 = 128,122.20 : x
  2. Step 2: Convert to fraction form
    184,546.80/276,164.10 = 128,122.20/x
  3. Step 3: Cross multiply
    184,546.80x = 276,164.10 × 128,122.20
  4. Step 4: Simplify right side
    184,546.80x = 35,382,752,053.02
  5. Step 5: Solve for x
    x = 35,382,752,053.02/184,546.80
  6. Step 6: Final answer
    x = 191,727.80

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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.