Home / 154,098.40-231,188.10-48,917.20

Finding the Fourth Proportional to 154,098.40, 231,188.10 and 48,917.20

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Solution

The fourth proportional to 154,098.40, 231,188.10 and 48,917.20 is: 73,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,098.40 : 231,188.10 = 48,917.20 : x
  2. Step 2: Convert to fraction form
    154,098.40/231,188.10 = 48,917.20/x
  3. Step 3: Cross multiply
    154,098.40x = 231,188.10 × 48,917.20
  4. Step 4: Simplify right side
    154,098.40x = 11,309,074,525.32
  5. Step 5: Solve for x
    x = 11,309,074,525.32/154,098.40
  6. Step 6: Final answer
    x = 73,388.66

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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.