Home / 151,353.27-208,868.96-83,370.54

Finding the Fourth Proportional to 151,353.27, 208,868.96 and 83,370.54

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Solution

The fourth proportional to 151,353.27, 208,868.96 and 83,370.54 is: 115,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,353.27 : 208,868.96 = 83,370.54 : x
  2. Step 2: Convert to fraction form
    151,353.27/208,868.96 = 83,370.54/x
  3. Step 3: Cross multiply
    151,353.27x = 208,868.96 × 83,370.54
  4. Step 4: Simplify right side
    151,353.27x = 17,413,517,984.44
  5. Step 5: Solve for x
    x = 17,413,517,984.44/151,353.27
  6. Step 6: Final answer
    x = 115,052.14

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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.