Home / 154,028.40-231,083.10-48,847.20

Finding the Fourth Proportional to 154,028.40, 231,083.10 and 48,847.20

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Solution

The fourth proportional to 154,028.40, 231,083.10 and 48,847.20 is: 73,283.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,028.40 : 231,083.10 = 48,847.20 : x
  2. Step 2: Convert to fraction form
    154,028.40/231,083.10 = 48,847.20/x
  3. Step 3: Cross multiply
    154,028.40x = 231,083.10 × 48,847.20
  4. Step 4: Simplify right side
    154,028.40x = 11,287,762,402.32
  5. Step 5: Solve for x
    x = 11,287,762,402.32/154,028.40
  6. Step 6: Final answer
    x = 73,283.64

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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.