Home / 318,734.40-439,928.16-182,765.88

Finding the Fourth Proportional to 318,734.40, 439,928.16 and 182,765.88

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Solution

The fourth proportional to 318,734.40, 439,928.16 and 182,765.88 is: 252,259.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,734.40 : 439,928.16 = 182,765.88 : x
  2. Step 2: Convert to fraction form
    318,734.40/439,928.16 = 182,765.88/x
  3. Step 3: Cross multiply
    318,734.40x = 439,928.16 × 182,765.88
  4. Step 4: Simplify right side
    318,734.40x = 80,403,857,299.18
  5. Step 5: Solve for x
    x = 80,403,857,299.18/318,734.40
  6. Step 6: Final answer
    x = 252,259.74

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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.