Home / 122,243.52-183,145.31-115,032.64

Finding the Fourth Proportional to 122,243.52, 183,145.31 and 115,032.64

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Solution

The fourth proportional to 122,243.52, 183,145.31 and 115,032.64 is: 172,341.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,243.52 : 183,145.31 = 115,032.64 : x
  2. Step 2: Convert to fraction form
    122,243.52/183,145.31 = 115,032.64/x
  3. Step 3: Cross multiply
    122,243.52x = 183,145.31 × 115,032.64
  4. Step 4: Simplify right side
    122,243.52x = 21,067,688,512.92
  5. Step 5: Solve for x
    x = 21,067,688,512.92/122,243.52
  6. Step 6: Final answer
    x = 172,341.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.