Home / 151,616.44-209,227.08-83,631.97

Finding the Fourth Proportional to 151,616.44, 209,227.08 and 83,631.97

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Solution

The fourth proportional to 151,616.44, 209,227.08 and 83,631.97 is: 115,410.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,616.44 : 209,227.08 = 83,631.97 : x
  2. Step 2: Convert to fraction form
    151,616.44/209,227.08 = 83,631.97/x
  3. Step 3: Cross multiply
    151,616.44x = 209,227.08 × 83,631.97
  4. Step 4: Simplify right side
    151,616.44x = 17,498,072,877.75
  5. Step 5: Solve for x
    x = 17,498,072,877.75/151,616.44
  6. Step 6: Final answer
    x = 115,410.13

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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.