Home / 181,128.96-271,310.40-114,534.72

Finding the Fourth Proportional to 181,128.96, 271,310.40 and 114,534.72

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Solution

The fourth proportional to 181,128.96, 271,310.40 and 114,534.72 is: 171,559.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,128.96 : 271,310.40 = 114,534.72 : x
  2. Step 2: Convert to fraction form
    181,128.96/271,310.40 = 114,534.72/x
  3. Step 3: Cross multiply
    181,128.96x = 271,310.40 × 114,534.72
  4. Step 4: Simplify right side
    181,128.96x = 31,074,460,697.09
  5. Step 5: Solve for x
    x = 31,074,460,697.09/181,128.96
  6. Step 6: Final answer
    x = 171,559.87

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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.