Home / 144,804.24-199,838.04-81,162.56

Finding the Fourth Proportional to 144,804.24, 199,838.04 and 81,162.56

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Solution

The fourth proportional to 144,804.24, 199,838.04 and 81,162.56 is: 112,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,804.24 : 199,838.04 = 81,162.56 : x
  2. Step 2: Convert to fraction form
    144,804.24/199,838.04 = 81,162.56/x
  3. Step 3: Cross multiply
    144,804.24x = 199,838.04 × 81,162.56
  4. Step 4: Simplify right side
    144,804.24x = 16,219,366,911.78
  5. Step 5: Solve for x
    x = 16,219,366,911.78/144,804.24
  6. Step 6: Final answer
    x = 112,008.92

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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.