Home / 144,801.22-199,833.60-81,159.52

Finding the Fourth Proportional to 144,801.22, 199,833.60 and 81,159.52

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Solution

The fourth proportional to 144,801.22, 199,833.60 and 81,159.52 is: 112,004.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,801.22 : 199,833.60 = 81,159.52 : x
  2. Step 2: Convert to fraction form
    144,801.22/199,833.60 = 81,159.52/x
  3. Step 3: Cross multiply
    144,801.22x = 199,833.60 × 81,159.52
  4. Step 4: Simplify right side
    144,801.22x = 16,218,399,055.87
  5. Step 5: Solve for x
    x = 16,218,399,055.87/144,801.22
  6. Step 6: Final answer
    x = 112,004.57

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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.