Home / 318,534.57-439,577.77-175,294.61

Finding the Fourth Proportional to 318,534.57, 439,577.77 and 175,294.61

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Solution

The fourth proportional to 318,534.57, 439,577.77 and 175,294.61 is: 241,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,534.57 : 439,577.77 = 175,294.61 : x
  2. Step 2: Convert to fraction form
    318,534.57/439,577.77 = 175,294.61/x
  3. Step 3: Cross multiply
    318,534.57x = 439,577.77 × 175,294.61
  4. Step 4: Simplify right side
    318,534.57x = 77,055,615,570.41
  5. Step 5: Solve for x
    x = 77,055,615,570.41/318,534.57
  6. Step 6: Final answer
    x = 241,906.60

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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.