Home / 132,336.74-198,393.51-57,400.45

Finding the Fourth Proportional to 132,336.74, 198,393.51 and 57,400.45

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Solution

The fourth proportional to 132,336.74, 198,393.51 and 57,400.45 is: 86,052.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,336.74 : 198,393.51 = 57,400.45 : x
  2. Step 2: Convert to fraction form
    132,336.74/198,393.51 = 57,400.45/x
  3. Step 3: Cross multiply
    132,336.74x = 198,393.51 × 57,400.45
  4. Step 4: Simplify right side
    132,336.74x = 11,387,876,751.08
  5. Step 5: Solve for x
    x = 11,387,876,751.08/132,336.74
  6. Step 6: Final answer
    x = 86,052.27

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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.