Home / 252,210.57-378,427.29-132,238.84

Finding the Fourth Proportional to 252,210.57, 378,427.29 and 132,238.84

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Solution

The fourth proportional to 252,210.57, 378,427.29 and 132,238.84 is: 198,416.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,210.57 : 378,427.29 = 132,238.84 : x
  2. Step 2: Convert to fraction form
    252,210.57/378,427.29 = 132,238.84/x
  3. Step 3: Cross multiply
    252,210.57x = 378,427.29 × 132,238.84
  4. Step 4: Simplify right side
    252,210.57x = 50,042,785,853.94
  5. Step 5: Solve for x
    x = 50,042,785,853.94/252,210.57
  6. Step 6: Final answer
    x = 198,416.69

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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.