Home / 181,698.18-272,558.20-76,525.34

Finding the Fourth Proportional to 181,698.18, 272,558.20 and 76,525.34

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Solution

The fourth proportional to 181,698.18, 272,558.20 and 76,525.34 is: 114,792.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,698.18 : 272,558.20 = 76,525.34 : x
  2. Step 2: Convert to fraction form
    181,698.18/272,558.20 = 76,525.34/x
  3. Step 3: Cross multiply
    181,698.18x = 272,558.20 × 76,525.34
  4. Step 4: Simplify right side
    181,698.18x = 20,857,608,924.79
  5. Step 5: Solve for x
    x = 20,857,608,924.79/181,698.18
  6. Step 6: Final answer
    x = 114,792.61

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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.