Home / 114,421.84-171,644.30-30,187.83

Finding the Fourth Proportional to 114,421.84, 171,644.30 and 30,187.83

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Solution

The fourth proportional to 114,421.84, 171,644.30 and 30,187.83 is: 45,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,421.84 : 171,644.30 = 30,187.83 : x
  2. Step 2: Convert to fraction form
    114,421.84/171,644.30 = 30,187.83/x
  3. Step 3: Cross multiply
    114,421.84x = 171,644.30 × 30,187.83
  4. Step 4: Simplify right side
    114,421.84x = 5,181,568,948.87
  5. Step 5: Solve for x
    x = 5,181,568,948.87/114,421.84
  6. Step 6: Final answer
    x = 45,284.79

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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.