Home / 318,199.39-439,115.06-174,968.71

Finding the Fourth Proportional to 318,199.39, 439,115.06 and 174,968.71

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Solution

The fourth proportional to 318,199.39, 439,115.06 and 174,968.71 is: 241,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,199.39 : 439,115.06 = 174,968.71 : x
  2. Step 2: Convert to fraction form
    318,199.39/439,115.06 = 174,968.71/x
  3. Step 3: Cross multiply
    318,199.39x = 439,115.06 × 174,968.71
  4. Step 4: Simplify right side
    318,199.39x = 76,831,394,929.41
  5. Step 5: Solve for x
    x = 76,831,394,929.41/318,199.39
  6. Step 6: Final answer
    x = 241,456.77

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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.