Home / 151,932.08-209,625.72-84,862.64

Finding the Fourth Proportional to 151,932.08, 209,625.72 and 84,862.64

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Solution

The fourth proportional to 151,932.08, 209,625.72 and 84,862.64 is: 117,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,932.08 : 209,625.72 = 84,862.64 : x
  2. Step 2: Convert to fraction form
    151,932.08/209,625.72 = 84,862.64/x
  3. Step 3: Cross multiply
    151,932.08x = 209,625.72 × 84,862.64
  4. Step 4: Simplify right side
    151,932.08x = 17,789,392,011.10
  5. Step 5: Solve for x
    x = 17,789,392,011.10/151,932.08
  6. Step 6: Final answer
    x = 117,087.79

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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.