Home / 226,790.53-312,970.86-131,295.18

Finding the Fourth Proportional to 226,790.53, 312,970.86 and 131,295.18

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Solution

The fourth proportional to 226,790.53, 312,970.86 and 131,295.18 is: 181,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,790.53 : 312,970.86 = 131,295.18 : x
  2. Step 2: Convert to fraction form
    226,790.53/312,970.86 = 131,295.18/x
  3. Step 3: Cross multiply
    226,790.53x = 312,970.86 × 131,295.18
  4. Step 4: Simplify right side
    226,790.53x = 41,091,565,180.90
  5. Step 5: Solve for x
    x = 41,091,565,180.90/226,790.53
  6. Step 6: Final answer
    x = 181,187.30

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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.