Home / 318,276.79-439,226.31-182,310.64

Finding the Fourth Proportional to 318,276.79, 439,226.31 and 182,310.64

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Solution

The fourth proportional to 318,276.79, 439,226.31 and 182,310.64 is: 251,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,276.79 : 439,226.31 = 182,310.64 : x
  2. Step 2: Convert to fraction form
    318,276.79/439,226.31 = 182,310.64/x
  3. Step 3: Cross multiply
    318,276.79x = 439,226.31 × 182,310.64
  4. Step 4: Simplify right side
    318,276.79x = 80,075,629,680.94
  5. Step 5: Solve for x
    x = 80,075,629,680.94/318,276.79
  6. Step 6: Final answer
    x = 251,591.17

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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.