Home / 307,845.20-461,782.20-97,499.60

Finding the Fourth Proportional to 307,845.20, 461,782.20 and 97,499.60

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Solution

The fourth proportional to 307,845.20, 461,782.20 and 97,499.60 is: 146,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,845.20 : 461,782.20 = 97,499.60 : x
  2. Step 2: Convert to fraction form
    307,845.20/461,782.20 = 97,499.60/x
  3. Step 3: Cross multiply
    307,845.20x = 461,782.20 × 97,499.60
  4. Step 4: Simplify right side
    307,845.20x = 45,023,579,787.12
  5. Step 5: Solve for x
    x = 45,023,579,787.12/307,845.20
  6. Step 6: Final answer
    x = 146,253.96

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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.