Home / 270,921.36-406,410.84-83,947.44

Finding the Fourth Proportional to 270,921.36, 406,410.84 and 83,947.44

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Solution

The fourth proportional to 270,921.36, 406,410.84 and 83,947.44 is: 125,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,921.36 : 406,410.84 = 83,947.44 : x
  2. Step 2: Convert to fraction form
    270,921.36/406,410.84 = 83,947.44/x
  3. Step 3: Cross multiply
    270,921.36x = 406,410.84 × 83,947.44
  4. Step 4: Simplify right side
    270,921.36x = 34,117,149,606.25
  5. Step 5: Solve for x
    x = 34,117,149,606.25/270,921.36
  6. Step 6: Final answer
    x = 125,930.08

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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.