Home / 318,830.05-439,968.60-182,857.01

Finding the Fourth Proportional to 318,830.05, 439,968.60 and 182,857.01

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Solution

The fourth proportional to 318,830.05, 439,968.60 and 182,857.01 is: 252,333.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,830.05 : 439,968.60 = 182,857.01 : x
  2. Step 2: Convert to fraction form
    318,830.05/439,968.60 = 182,857.01/x
  3. Step 3: Cross multiply
    318,830.05x = 439,968.60 × 182,857.01
  4. Step 4: Simplify right side
    318,830.05x = 80,451,342,689.89
  5. Step 5: Solve for x
    x = 80,451,342,689.89/318,830.05
  6. Step 6: Final answer
    x = 252,333.00

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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.