Home / 318,534.72-439,577.97-175,294.77

Finding the Fourth Proportional to 318,534.72, 439,577.97 and 175,294.77

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Solution

The fourth proportional to 318,534.72, 439,577.97 and 175,294.77 is: 241,906.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,534.72 : 439,577.97 = 175,294.77 : x
  2. Step 2: Convert to fraction form
    318,534.72/439,577.97 = 175,294.77/x
  3. Step 3: Cross multiply
    318,534.72x = 439,577.97 × 175,294.77
  4. Step 4: Simplify right side
    318,534.72x = 77,055,719,148.22
  5. Step 5: Solve for x
    x = 77,055,719,148.22/318,534.72
  6. Step 6: Final answer
    x = 241,906.81

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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.