Home / 367,631.90-551,447.85-130,982.30

Finding the Fourth Proportional to 367,631.90, 551,447.85 and 130,982.30

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Solution

The fourth proportional to 367,631.90, 551,447.85 and 130,982.30 is: 196,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,631.90 : 551,447.85 = 130,982.30 : x
  2. Step 2: Convert to fraction form
    367,631.90/551,447.85 = 130,982.30/x
  3. Step 3: Cross multiply
    367,631.90x = 551,447.85 × 130,982.30
  4. Step 4: Simplify right side
    367,631.90x = 72,229,907,723.06
  5. Step 5: Solve for x
    x = 72,229,907,723.06/367,631.90
  6. Step 6: Final answer
    x = 196,473.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.