Home / 159,056.60-219,513.24-91,078.97

Finding the Fourth Proportional to 159,056.60, 219,513.24 and 91,078.97

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Solution

The fourth proportional to 159,056.60, 219,513.24 and 91,078.97 is: 125,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,056.60 : 219,513.24 = 91,078.97 : x
  2. Step 2: Convert to fraction form
    159,056.60/219,513.24 = 91,078.97/x
  3. Step 3: Cross multiply
    159,056.60x = 219,513.24 × 91,078.97
  4. Step 4: Simplify right side
    159,056.60x = 19,993,038,703.00
  5. Step 5: Solve for x
    x = 19,993,038,703.00/159,056.60
  6. Step 6: Final answer
    x = 125,697.64

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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.