Home / 318,162.21-439,066.80-174,923.25

Finding the Fourth Proportional to 318,162.21, 439,066.80 and 174,923.25

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Solution

The fourth proportional to 318,162.21, 439,066.80 and 174,923.25 is: 241,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,162.21 : 439,066.80 = 174,923.25 : x
  2. Step 2: Convert to fraction form
    318,162.21/439,066.80 = 174,923.25/x
  3. Step 3: Cross multiply
    318,162.21x = 439,066.80 × 174,923.25
  4. Step 4: Simplify right side
    318,162.21x = 76,802,991,623.10
  5. Step 5: Solve for x
    x = 76,802,991,623.10/318,162.21
  6. Step 6: Final answer
    x = 241,395.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.