Home / 181,814.80-272,722.20-125,827.60

Finding the Fourth Proportional to 181,814.80, 272,722.20 and 125,827.60

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Solution

The fourth proportional to 181,814.80, 272,722.20 and 125,827.60 is: 188,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,814.80 : 272,722.20 = 125,827.60 : x
  2. Step 2: Convert to fraction form
    181,814.80/272,722.20 = 125,827.60/x
  3. Step 3: Cross multiply
    181,814.80x = 272,722.20 × 125,827.60
  4. Step 4: Simplify right side
    181,814.80x = 34,315,979,892.72
  5. Step 5: Solve for x
    x = 34,315,979,892.72/181,814.80
  6. Step 6: Final answer
    x = 188,741.40

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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.