Home / 181,815.82-272,162.08-118,499.74

Finding the Fourth Proportional to 181,815.82, 272,162.08 and 118,499.74

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Solution

The fourth proportional to 181,815.82, 272,162.08 and 118,499.74 is: 177,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,815.82 : 272,162.08 = 118,499.74 : x
  2. Step 2: Convert to fraction form
    181,815.82/272,162.08 = 118,499.74/x
  3. Step 3: Cross multiply
    181,815.82x = 272,162.08 × 118,499.74
  4. Step 4: Simplify right side
    181,815.82x = 32,251,135,717.86
  5. Step 5: Solve for x
    x = 32,251,135,717.86/181,815.82
  6. Step 6: Final answer
    x = 177,383.55

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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.