Home / 318,824.80-439,961.36-182,851.72

Finding the Fourth Proportional to 318,824.80, 439,961.36 and 182,851.72

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Solution

The fourth proportional to 318,824.80, 439,961.36 and 182,851.72 is: 252,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,824.80 : 439,961.36 = 182,851.72 : x
  2. Step 2: Convert to fraction form
    318,824.80/439,961.36 = 182,851.72/x
  3. Step 3: Cross multiply
    318,824.80x = 439,961.36 × 182,851.72
  4. Step 4: Simplify right side
    318,824.80x = 80,447,691,409.54
  5. Step 5: Solve for x
    x = 80,447,691,409.54/318,824.80
  6. Step 6: Final answer
    x = 252,325.70

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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.