Home / 227,194.20-313,529.20-130,390.32

Finding the Fourth Proportional to 227,194.20, 313,529.20 and 130,390.32

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Solution

The fourth proportional to 227,194.20, 313,529.20 and 130,390.32 is: 179,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,194.20 : 313,529.20 = 130,390.32 : x
  2. Step 2: Convert to fraction form
    227,194.20/313,529.20 = 130,390.32/x
  3. Step 3: Cross multiply
    227,194.20x = 313,529.20 × 130,390.32
  4. Step 4: Simplify right side
    227,194.20x = 40,881,172,717.34
  5. Step 5: Solve for x
    x = 40,881,172,717.34/227,194.20
  6. Step 6: Final answer
    x = 179,939.33

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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.