Home / 318,583.35-439,646.54-182,625.12

Finding the Fourth Proportional to 318,583.35, 439,646.54 and 182,625.12

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Solution

The fourth proportional to 318,583.35, 439,646.54 and 182,625.12 is: 252,023.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,583.35 : 439,646.54 = 182,625.12 : x
  2. Step 2: Convert to fraction form
    318,583.35/439,646.54 = 182,625.12/x
  3. Step 3: Cross multiply
    318,583.35x = 439,646.54 × 182,625.12
  4. Step 4: Simplify right side
    318,583.35x = 80,290,501,211.96
  5. Step 5: Solve for x
    x = 80,290,501,211.96/318,583.35
  6. Step 6: Final answer
    x = 252,023.53

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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.