Home / 151,926.46-209,640.63-83,939.38

Finding the Fourth Proportional to 151,926.46, 209,640.63 and 83,939.38

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Solution

The fourth proportional to 151,926.46, 209,640.63 and 83,939.38 is: 115,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,926.46 : 209,640.63 = 83,939.38 : x
  2. Step 2: Convert to fraction form
    151,926.46/209,640.63 = 83,939.38/x
  3. Step 3: Cross multiply
    151,926.46x = 209,640.63 × 83,939.38
  4. Step 4: Simplify right side
    151,926.46x = 17,597,104,505.01
  5. Step 5: Solve for x
    x = 17,597,104,505.01/151,926.46
  6. Step 6: Final answer
    x = 115,826.46

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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.