Home / 144,826.79-199,834.70-91,183.32

Finding the Fourth Proportional to 144,826.79, 199,834.70 and 91,183.32

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Solution

The fourth proportional to 144,826.79, 199,834.70 and 91,183.32 is: 125,816.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,826.79 : 199,834.70 = 91,183.32 : x
  2. Step 2: Convert to fraction form
    144,826.79/199,834.70 = 91,183.32/x
  3. Step 3: Cross multiply
    144,826.79x = 199,834.70 × 91,183.32
  4. Step 4: Simplify right side
    144,826.79x = 18,221,590,941.29
  5. Step 5: Solve for x
    x = 18,221,590,941.29/144,826.79
  6. Step 6: Final answer
    x = 125,816.44

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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.