Home / 318,447.73-439,464.68-175,208.19

Finding the Fourth Proportional to 318,447.73, 439,464.68 and 175,208.19

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Solution

The fourth proportional to 318,447.73, 439,464.68 and 175,208.19 is: 241,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,447.73 : 439,464.68 = 175,208.19 : x
  2. Step 2: Convert to fraction form
    318,447.73/439,464.68 = 175,208.19/x
  3. Step 3: Cross multiply
    318,447.73x = 439,464.68 × 175,208.19
  4. Step 4: Simplify right side
    318,447.73x = 76,997,811,151.73
  5. Step 5: Solve for x
    x = 76,997,811,151.73/318,447.73
  6. Step 6: Final answer
    x = 241,791.05

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1.5x scale

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.