Home / 236,020.70-325,704.44-128,591.50

Finding the Fourth Proportional to 236,020.70, 325,704.44 and 128,591.50

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Solution

The fourth proportional to 236,020.70, 325,704.44 and 128,591.50 is: 177,454.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,020.70 : 325,704.44 = 128,591.50 : x
  2. Step 2: Convert to fraction form
    236,020.70/325,704.44 = 128,591.50/x
  3. Step 3: Cross multiply
    236,020.70x = 325,704.44 × 128,591.50
  4. Step 4: Simplify right side
    236,020.70x = 41,882,822,614.17
  5. Step 5: Solve for x
    x = 41,882,822,614.17/236,020.70
  6. Step 6: Final answer
    x = 177,454.02

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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.