Home / 131,352.52-181,270.82-71,736.52

Finding the Fourth Proportional to 131,352.52, 181,270.82 and 71,736.52

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Solution

The fourth proportional to 131,352.52, 181,270.82 and 71,736.52 is: 98,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,352.52 : 181,270.82 = 71,736.52 : x
  2. Step 2: Convert to fraction form
    131,352.52/181,270.82 = 71,736.52/x
  3. Step 3: Cross multiply
    131,352.52x = 181,270.82 × 71,736.52
  4. Step 4: Simplify right side
    131,352.52x = 13,003,737,804.35
  5. Step 5: Solve for x
    x = 13,003,737,804.35/131,352.52
  6. Step 6: Final answer
    x = 98,998.77

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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.