Home / 132,330.08-198,383.54-57,393.80

Finding the Fourth Proportional to 132,330.08, 198,383.54 and 57,393.80

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Solution

The fourth proportional to 132,330.08, 198,383.54 and 57,393.80 is: 86,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,330.08 : 198,383.54 = 57,393.80 : x
  2. Step 2: Convert to fraction form
    132,330.08/198,383.54 = 57,393.80/x
  3. Step 3: Cross multiply
    132,330.08x = 198,383.54 × 57,393.80
  4. Step 4: Simplify right side
    132,330.08x = 11,385,984,931.08
  5. Step 5: Solve for x
    x = 11,385,984,931.08/132,330.08
  6. Step 6: Final answer
    x = 86,042.31

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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.