Home / 151,995.82-209,765.08-84,011.34

Finding the Fourth Proportional to 151,995.82, 209,765.08 and 84,011.34

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Solution

The fourth proportional to 151,995.82, 209,765.08 and 84,011.34 is: 115,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,995.82 : 209,765.08 = 84,011.34 : x
  2. Step 2: Convert to fraction form
    151,995.82/209,765.08 = 84,011.34/x
  3. Step 3: Cross multiply
    151,995.82x = 209,765.08 × 84,011.34
  4. Step 4: Simplify right side
    151,995.82x = 17,622,645,456.01
  5. Step 5: Solve for x
    x = 17,622,645,456.01/151,995.82
  6. Step 6: Final answer
    x = 115,941.65

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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.