Home / 318,204.38-439,118.48-236,896.18

Finding the Fourth Proportional to 318,204.38, 439,118.48 and 236,896.18

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Solution

The fourth proportional to 318,204.38, 439,118.48 and 236,896.18 is: 326,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,204.38 : 439,118.48 = 236,896.18 : x
  2. Step 2: Convert to fraction form
    318,204.38/439,118.48 = 236,896.18/x
  3. Step 3: Cross multiply
    318,204.38x = 439,118.48 × 236,896.18
  4. Step 4: Simplify right side
    318,204.38x = 104,025,489,973.85
  5. Step 5: Solve for x
    x = 104,025,489,973.85/318,204.38
  6. Step 6: Final answer
    x = 326,914.07

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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.