Home / 159,241.11-219,727.64-91,245.00

Finding the Fourth Proportional to 159,241.11, 219,727.64 and 91,245.00

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Solution

The fourth proportional to 159,241.11, 219,727.64 and 91,245.00 is: 125,903.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,241.11 : 219,727.64 = 91,245.00 : x
  2. Step 2: Convert to fraction form
    159,241.11/219,727.64 = 91,245.00/x
  3. Step 3: Cross multiply
    159,241.11x = 219,727.64 × 91,245.00
  4. Step 4: Simplify right side
    159,241.11x = 20,049,047,814.67
  5. Step 5: Solve for x
    x = 20,049,047,814.67/159,241.11
  6. Step 6: Final answer
    x = 125,903.72

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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.