Home / 318,375.22-439,348.44-175,135.18

Finding the Fourth Proportional to 318,375.22, 439,348.44 and 175,135.18

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Solution

The fourth proportional to 318,375.22, 439,348.44 and 175,135.18 is: 241,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,375.22 : 439,348.44 = 175,135.18 : x
  2. Step 2: Convert to fraction form
    318,375.22/439,348.44 = 175,135.18/x
  3. Step 3: Cross multiply
    318,375.22x = 439,348.44 × 175,135.18
  4. Step 4: Simplify right side
    318,375.22x = 76,945,368,122.12
  5. Step 5: Solve for x
    x = 76,945,368,122.12/318,375.22
  6. Step 6: Final answer
    x = 241,681.40

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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.