Home / 131,675.09-181,710.32-71,244.41

Finding the Fourth Proportional to 131,675.09, 181,710.32 and 71,244.41

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Solution

The fourth proportional to 131,675.09, 181,710.32 and 71,244.41 is: 98,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,675.09 : 181,710.32 = 71,244.41 : x
  2. Step 2: Convert to fraction form
    131,675.09/181,710.32 = 71,244.41/x
  3. Step 3: Cross multiply
    131,675.09x = 181,710.32 × 71,244.41
  4. Step 4: Simplify right side
    131,675.09x = 12,945,843,808.87
  5. Step 5: Solve for x
    x = 12,945,843,808.87/131,675.09
  6. Step 6: Final answer
    x = 98,316.57

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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.