Home / 102,072.14-153,139.33-52,187.27

Finding the Fourth Proportional to 102,072.14, 153,139.33 and 52,187.27

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Solution

The fourth proportional to 102,072.14, 153,139.33 and 52,187.27 is: 78,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,072.14 : 153,139.33 = 52,187.27 : x
  2. Step 2: Convert to fraction form
    102,072.14/153,139.33 = 52,187.27/x
  3. Step 3: Cross multiply
    102,072.14x = 153,139.33 × 52,187.27
  4. Step 4: Simplify right side
    102,072.14x = 7,991,923,562.33
  5. Step 5: Solve for x
    x = 7,991,923,562.33/102,072.14
  6. Step 6: Final answer
    x = 78,296.82

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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.