Home / 318,198.89-439,116.08-174,968.15

Finding the Fourth Proportional to 318,198.89, 439,116.08 and 174,968.15

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Solution

The fourth proportional to 318,198.89, 439,116.08 and 174,968.15 is: 241,456.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,198.89 : 439,116.08 = 174,968.15 : x
  2. Step 2: Convert to fraction form
    318,198.89/439,116.08 = 174,968.15/x
  3. Step 3: Cross multiply
    318,198.89x = 439,116.08 × 174,968.15
  4. Step 4: Simplify right side
    318,198.89x = 76,831,328,152.85
  5. Step 5: Solve for x
    x = 76,831,328,152.85/318,198.89
  6. Step 6: Final answer
    x = 241,456.93

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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.