Home / 159,004.24-219,425.14-91,020.84

Finding the Fourth Proportional to 159,004.24, 219,425.14 and 91,020.84

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Solution

The fourth proportional to 159,004.24, 219,425.14 and 91,020.84 is: 125,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,004.24 : 219,425.14 = 91,020.84 : x
  2. Step 2: Convert to fraction form
    159,004.24/219,425.14 = 91,020.84/x
  3. Step 3: Cross multiply
    159,004.24x = 219,425.14 × 91,020.84
  4. Step 4: Simplify right side
    159,004.24x = 19,972,260,559.92
  5. Step 5: Solve for x
    x = 19,972,260,559.92/159,004.24
  6. Step 6: Final answer
    x = 125,608.35

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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.