Home / 101,330.20-151,998.37-34,769.38

Finding the Fourth Proportional to 101,330.20, 151,998.37 and 34,769.38

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Solution

The fourth proportional to 101,330.20, 151,998.37 and 34,769.38 is: 52,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,330.20 : 151,998.37 = 34,769.38 : x
  2. Step 2: Convert to fraction form
    101,330.20/151,998.37 = 34,769.38/x
  3. Step 3: Cross multiply
    101,330.20x = 151,998.37 × 34,769.38
  4. Step 4: Simplify right side
    101,330.20x = 5,284,889,085.91
  5. Step 5: Solve for x
    x = 5,284,889,085.91/101,330.20
  6. Step 6: Final answer
    x = 52,155.12

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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.