Home / 131,755.22-181,822.26-71,325.86

Finding the Fourth Proportional to 131,755.22, 181,822.26 and 71,325.86

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Solution

The fourth proportional to 131,755.22, 181,822.26 and 71,325.86 is: 98,429.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,755.22 : 181,822.26 = 71,325.86 : x
  2. Step 2: Convert to fraction form
    131,755.22/181,822.26 = 71,325.86/x
  3. Step 3: Cross multiply
    131,755.22x = 181,822.26 × 71,325.86
  4. Step 4: Simplify right side
    131,755.22x = 12,968,628,834.37
  5. Step 5: Solve for x
    x = 12,968,628,834.37/131,755.22
  6. Step 6: Final answer
    x = 98,429.72

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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.