Home / 132,336.31-198,392.86-57,400.01

Finding the Fourth Proportional to 132,336.31, 198,392.86 and 57,400.01

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Solution

The fourth proportional to 132,336.31, 198,392.86 and 57,400.01 is: 86,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,336.31 : 198,392.86 = 57,400.01 : x
  2. Step 2: Convert to fraction form
    132,336.31/198,392.86 = 57,400.01/x
  3. Step 3: Cross multiply
    132,336.31x = 198,392.86 × 57,400.01
  4. Step 4: Simplify right side
    132,336.31x = 11,387,751,860.93
  5. Step 5: Solve for x
    x = 11,387,751,860.93/132,336.31
  6. Step 6: Final answer
    x = 86,051.61

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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.