Home / 138,944.16-208,415.70-33,763.44

Finding the Fourth Proportional to 138,944.16, 208,415.70 and 33,763.44

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Solution

The fourth proportional to 138,944.16, 208,415.70 and 33,763.44 is: 50,645.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,944.16 : 208,415.70 = 33,763.44 : x
  2. Step 2: Convert to fraction form
    138,944.16/208,415.70 = 33,763.44/x
  3. Step 3: Cross multiply
    138,944.16x = 208,415.70 × 33,763.44
  4. Step 4: Simplify right side
    138,944.16x = 7,036,830,982.01
  5. Step 5: Solve for x
    x = 7,036,830,982.01/138,944.16
  6. Step 6: Final answer
    x = 50,645.03

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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.