Home / 144,579.07-199,495.31-90,826.02

Finding the Fourth Proportional to 144,579.07, 199,495.31 and 90,826.02

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Solution

The fourth proportional to 144,579.07, 199,495.31 and 90,826.02 is: 125,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,579.07 : 199,495.31 = 90,826.02 : x
  2. Step 2: Convert to fraction form
    144,579.07/199,495.31 = 90,826.02/x
  3. Step 3: Cross multiply
    144,579.07x = 199,495.31 × 90,826.02
  4. Step 4: Simplify right side
    144,579.07x = 18,119,364,561.84
  5. Step 5: Solve for x
    x = 18,119,364,561.84/144,579.07
  6. Step 6: Final answer
    x = 125,324.95

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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.