Home / 198,055.37-273,309-117,434.66

Finding the Fourth Proportional to 198,055.37, 273,309 and 117,434.66

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Solution

The fourth proportional to 198,055.37, 273,309 and 117,434.66 is: 162,055.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,055.37 : 273,309 = 117,434.66 : x
  2. Step 2: Convert to fraction form
    198,055.37/273,309 = 117,434.66/x
  3. Step 3: Cross multiply
    198,055.37x = 273,309 × 117,434.66
  4. Step 4: Simplify right side
    198,055.37x = 32,095,948,123.40
  5. Step 5: Solve for x
    x = 32,095,948,123.40/198,055.37
  6. Step 6: Final answer
    x = 162,055.43

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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.