Home / 144,784.14-199,734.54-91,098.77

Finding the Fourth Proportional to 144,784.14, 199,734.54 and 91,098.77

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Solution

The fourth proportional to 144,784.14, 199,734.54 and 91,098.77 is: 125,673.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,784.14 : 199,734.54 = 91,098.77 : x
  2. Step 2: Convert to fraction form
    144,784.14/199,734.54 = 91,098.77/x
  3. Step 3: Cross multiply
    144,784.14x = 199,734.54 × 91,098.77
  4. Step 4: Simplify right side
    144,784.14x = 18,195,569,921.84
  5. Step 5: Solve for x
    x = 18,195,569,921.84/144,784.14
  6. Step 6: Final answer
    x = 125,673.78

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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.